diff --git a/AVRsack.xcodeproj/project.pbxproj b/AVRsack.xcodeproj/project.pbxproj
index d8f8a9a..7f16e7d 100644
--- a/AVRsack.xcodeproj/project.pbxproj
+++ b/AVRsack.xcodeproj/project.pbxproj
@@ -14,6 +14,7 @@
 		9501D80C1A17025C0034C530 /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = 9501D80A1A17025C0034C530 /* MainMenu.xib */; };
 		9501D8181A17025C0034C530 /* AVRsackTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9501D8171A17025C0034C530 /* AVRsackTests.swift */; };
 		950AB9271A296A160033A9DA /* ProjIcon.icns in Resources */ = {isa = PBXBuildFile; fileRef = 950AB9261A296A160033A9DA /* ProjIcon.icns */; };
+		950AB9291A2D4F9B0033A9DA /* ASSerial.swift in Sources */ = {isa = PBXBuildFile; fileRef = 950AB9281A2D4F9B0033A9DA /* ASSerial.swift */; };
 		951CD1741A23C9FC0066C1A1 /* ASBuilder.swift in Sources */ = {isa = PBXBuildFile; fileRef = 951CD1731A23C9FC0066C1A1 /* ASBuilder.swift */; };
 		951CD1771A2615000066C1A1 /* BuildProject in Resources */ = {isa = PBXBuildFile; fileRef = 951CD1761A2615000066C1A1 /* BuildProject */; };
 		95468DDF1A228BE600668EE2 /* ASHardware.swift in Sources */ = {isa = PBXBuildFile; fileRef = 95468DDE1A228BE600668EE2 /* ASHardware.swift */; };
@@ -73,6 +74,7 @@
 		9501D8161A17025C0034C530 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		9501D8171A17025C0034C530 /* AVRsackTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AVRsackTests.swift; sourceTree = "<group>"; };
 		950AB9261A296A160033A9DA /* ProjIcon.icns */ = {isa = PBXFileReference; lastKnownFileType = image.icns; name = ProjIcon.icns; path = IconResources/ProjIcon.icns; sourceTree = "<group>"; };
+		950AB9281A2D4F9B0033A9DA /* ASSerial.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ASSerial.swift; sourceTree = "<group>"; };
 		951CD1731A23C9FC0066C1A1 /* ASBuilder.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ASBuilder.swift; sourceTree = "<group>"; };
 		951CD1761A2615000066C1A1 /* BuildProject */ = {isa = PBXFileReference; explicitFileType = text.script.ruby; fileEncoding = 4; path = BuildProject; sourceTree = "<group>"; };
 		95468DDE1A228BE600668EE2 /* ASHardware.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ASHardware.swift; sourceTree = "<group>"; };
@@ -167,6 +169,7 @@
 				9501D8031A17025C0034C530 /* ASProjDoc.swift */,
 				95BF80EA1A185C9E0004A693 /* ASFileTree.swift */,
 				95468DDE1A228BE600668EE2 /* ASHardware.swift */,
+				950AB9281A2D4F9B0033A9DA /* ASSerial.swift */,
 				951CD1731A23C9FC0066C1A1 /* ASBuilder.swift */,
 				951CD1761A2615000066C1A1 /* BuildProject */,
 			);
@@ -341,6 +344,7 @@
 				9501D8041A17025C0034C530 /* ASProjDoc.swift in Sources */,
 				95468DDF1A228BE600668EE2 /* ASHardware.swift in Sources */,
 				951CD1741A23C9FC0066C1A1 /* ASBuilder.swift in Sources */,
+				950AB9291A2D4F9B0033A9DA /* ASSerial.swift in Sources */,
 				9501D8021A17025C0034C530 /* ASApplication.swift in Sources */,
 				95BF80EB1A185C9E0004A693 /* ASFileTree.swift in Sources */,
 			);
diff --git a/AVRsack/ASProjDoc.swift b/AVRsack/ASProjDoc.swift
index 20452de..192c2bd 100644
--- a/AVRsack/ASProjDoc.swift
+++ b/AVRsack/ASProjDoc.swift
@@ -292,5 +292,18 @@ class ASProjDoc: NSDocument, NSOutlineViewDelegate {
         builder.cleanProject()
         selectNode(files.buildLog)
     }
+    
+    func serialPorts() -> [String] {
+        return ASSerial.ports()
+    }
+
+    func boards() -> [String] {
+        return [String](ASHardware.instance().boards.keys)
+    }
+    
+    func programmers() -> [String] {
+        return [String](ASHardware.instance().programmers.keys)
+    }
+    
 }
 
diff --git a/AVRsack/ASSerial.swift b/AVRsack/ASSerial.swift
new file mode 100644
index 0000000..392ebdc
--- /dev/null
+++ b/AVRsack/ASSerial.swift
@@ -0,0 +1,22 @@
+//
+//  ASSerial.swift
+//  AVRsack
+//
+//  Created by Matthias Neeracher on 12/2/14.
+//  Copyright © 2014 Aere Perennius. All rights reserved.
+//
+
+import Foundation
+
+class ASSerial {
+    class func ports() -> [String] {
+        let devices = NSFileManager.defaultManager().contentsOfDirectoryAtPath("/dev", error: nil)!
+        var cuDevs  = [String]()
+        for dev in devices as [String] {
+            if dev.substringToIndex(dev.startIndex.successor().successor()) == "cu" {
+                cuDevs.append("/dev/"+dev)
+            }
+        }
+        return cuDevs
+    }
+}
\ No newline at end of file
diff --git a/AVRsack/Base.lproj/ASProjDoc.xib b/AVRsack/Base.lproj/ASProjDoc.xib
index e1f4ba7..0b1d452 100644
--- a/AVRsack/Base.lproj/ASProjDoc.xib
+++ b/AVRsack/Base.lproj/ASProjDoc.xib
@@ -95,23 +95,92 @@
             </view>
             <toolbar key="toolbar" implicitIdentifier="625EA1E8-488D-4F0C-8EE0-5F627F033421" autosavesConfiguration="NO" displayMode="iconAndLabel" sizeMode="regular" id="FLS-YK-Gpe">
                 <allowedToolbarItems>
-                    <toolbarItem implicitItemIdentifier="NSToolbarPrintItem" id="ln2-Ky-MBg"/>
-                    <toolbarItem implicitItemIdentifier="NSToolbarFlexibleSpaceItem" id="2D6-o4-n09"/>
-                    <toolbarItem implicitItemIdentifier="2EA4AC26-099B-4756-8779-ABB6208840D1" label="Build" paletteLabel="Build" tag="-1" image="BuildIcon" id="69r-aN-6vG">
-                        <connections>
-                            <action selector="buildProject:" target="-1" id="Rkc-yl-Vwi"/>
-                        </connections>
-                    </toolbarItem>
-                    <toolbarItem implicitItemIdentifier="EF9FF3B4-6921-497E-B17C-8B0B3D58DA24" label="Upload" paletteLabel="Upload" tag="-1" image="UploadIcon" id="2cP-cC-Cr8">
+                    <toolbarItem implicitItemIdentifier="9276EE94-B438-4F93-AC26-93EC83DAA78E" label="Upload" paletteLabel="Upload" tag="-1" image="UploadIcon" id="2cP-cC-Cr8">
                         <connections>
                             <action selector="uploadProject:" target="-1" id="p1l-Vg-i2P"/>
                         </connections>
                     </toolbarItem>
-                    <toolbarItem implicitItemIdentifier="2E9BF3BA-BCC5-4DB8-B563-8648FC3862AD" label="Clean" paletteLabel="Clean" tag="-1" image="CleanIcon" id="lGv-lT-Eh9">
+                    <toolbarItem implicitItemIdentifier="69F004B0-A5C2-4130-9306-CBDA9B75A34E" label="Build" paletteLabel="Build" tag="-1" image="BuildIcon" id="69r-aN-6vG">
+                        <connections>
+                            <action selector="buildProject:" target="-1" id="Rkc-yl-Vwi"/>
+                        </connections>
+                    </toolbarItem>
+                    <toolbarItem implicitItemIdentifier="2B98B0B2-C192-4A20-9C17-8CDBD6A9002F" label="Clean" paletteLabel="Clean" tag="-1" image="CleanIcon" id="lGv-lT-Eh9">
                         <connections>
                             <action selector="cleanProject:" target="-1" id="LzL-6C-IDi"/>
                         </connections>
                     </toolbarItem>
+                    <toolbarItem implicitItemIdentifier="A3F4B25E-669B-4AEB-877C-CA0AF13A9E49" label="Board" paletteLabel="Board" id="vAE-60-8kd">
+                        <nil key="toolTip"/>
+                        <size key="minSize" width="100" height="28"/>
+                        <size key="maxSize" width="100" height="28"/>
+                        <popUpButton key="view" verticalHuggingPriority="750" id="xO5-xB-HHj">
+                            <rect key="frame" x="0.0" y="0.0" width="100" height="28"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                            <popUpButtonCell key="cell" type="roundTextured" title="Item 1" bezelStyle="texturedRounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="border" imageScaling="proportionallyDown" inset="2" selectedItem="EIo-LP-BL2" id="70v-IV-ury">
+                                <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
+                                <font key="font" metaFont="menu"/>
+                                <menu key="menu" id="0W3-Jd-NvF">
+                                    <items>
+                                        <menuItem title="Item 1" state="on" id="EIo-LP-BL2"/>
+                                        <menuItem title="Item 2" id="BI3-Mj-Hjl"/>
+                                        <menuItem title="Item 3" id="JVV-uK-XFS"/>
+                                    </items>
+                                </menu>
+                            </popUpButtonCell>
+                            <connections>
+                                <binding destination="-2" name="contentValues" keyPath="boards" id="I0F-IB-VDu"/>
+                            </connections>
+                        </popUpButton>
+                    </toolbarItem>
+                    <toolbarItem implicitItemIdentifier="BD8B4827-8CD2-4E50-B435-165CD744B39D" label="Programmer" paletteLabel="Programmer" id="Lt2-Z7-7Pg">
+                        <nil key="toolTip"/>
+                        <size key="minSize" width="100" height="28"/>
+                        <size key="maxSize" width="100" height="28"/>
+                        <popUpButton key="view" verticalHuggingPriority="750" id="08n-xg-fNl">
+                            <rect key="frame" x="0.0" y="0.0" width="100" height="28"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                            <popUpButtonCell key="cell" type="roundTextured" title="Item 1" bezelStyle="texturedRounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="border" imageScaling="proportionallyDown" inset="2" selectedItem="DL9-Dk-EGd" id="drB-K8-prb">
+                                <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
+                                <font key="font" metaFont="menu"/>
+                                <menu key="menu" id="I2g-9Y-t88">
+                                    <items>
+                                        <menuItem title="Item 1" state="on" id="DL9-Dk-EGd"/>
+                                        <menuItem title="Item 2" id="cbL-7g-Dbs"/>
+                                        <menuItem title="Item 3" id="VZO-b8-lTE"/>
+                                    </items>
+                                </menu>
+                            </popUpButtonCell>
+                            <connections>
+                                <binding destination="-2" name="contentValues" keyPath="programmers" id="6XS-xq-UIC"/>
+                            </connections>
+                        </popUpButton>
+                    </toolbarItem>
+                    <toolbarItem implicitItemIdentifier="1E69CE88-D7A1-4231-B56C-89C813E75589" label="Serial Port" paletteLabel="Serial Port" id="r8E-ar-tLo">
+                        <nil key="toolTip"/>
+                        <size key="minSize" width="100" height="28"/>
+                        <size key="maxSize" width="100" height="28"/>
+                        <popUpButton key="view" verticalHuggingPriority="750" id="4rZ-U5-AH6">
+                            <rect key="frame" x="0.0" y="0.0" width="100" height="28"/>
+                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                            <popUpButtonCell key="cell" type="roundTextured" title="Item 1" bezelStyle="texturedRounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="border" imageScaling="proportionallyDown" inset="2" selectedItem="7U0-rg-90a" id="XSm-NS-ZtW">
+                                <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
+                                <font key="font" metaFont="menu"/>
+                                <menu key="menu" id="VO0-bS-zYz">
+                                    <items>
+                                        <menuItem title="Item 1" state="on" id="7U0-rg-90a"/>
+                                        <menuItem title="Item 2" id="rck-gJ-Wwo"/>
+                                        <menuItem title="Item 3" id="PoP-ir-bnB"/>
+                                    </items>
+                                </menu>
+                            </popUpButtonCell>
+                            <connections>
+                                <binding destination="-2" name="contentValues" keyPath="serialPorts" id="d9a-Yy-DeA"/>
+                            </connections>
+                        </popUpButton>
+                    </toolbarItem>
+                    <toolbarItem implicitItemIdentifier="NSToolbarPrintItem" id="ln2-Ky-MBg"/>
+                    <toolbarItem implicitItemIdentifier="NSToolbarFlexibleSpaceItem" id="2D6-o4-n09"/>
                     <toolbarItem implicitItemIdentifier="NSToolbarSpaceItem" id="FYt-ZW-Epr"/>
                 </allowedToolbarItems>
                 <defaultToolbarItems>
@@ -120,6 +189,10 @@
                     <toolbarItem reference="FYt-ZW-Epr"/>
                     <toolbarItem reference="lGv-lT-Eh9"/>
                     <toolbarItem reference="2D6-o4-n09"/>
+                    <toolbarItem reference="vAE-60-8kd"/>
+                    <toolbarItem reference="Lt2-Z7-7Pg"/>
+                    <toolbarItem reference="r8E-ar-tLo"/>
+                    <toolbarItem reference="2D6-o4-n09"/>
                     <toolbarItem reference="ln2-Ky-MBg"/>
                 </defaultToolbarItems>
             </toolbar>
@@ -128,6 +201,7 @@
             </connections>
             <point key="canvasLocation" x="406" y="428.5"/>
         </window>
+        <userDefaultsController representsSharedInstance="YES" id="fpc-q0-yYy"/>
     </objects>
     <resources>
         <image name="BuildIcon" width="32" height="32"/>
diff --git a/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 1x.png b/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 1x.png
index 123d4aa..ba56f5b 100644
Binary files a/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 1x.png and b/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 1x.png differ
diff --git a/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 2x.png b/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 2x.png
index 7f8270a..e5cbebc 100644
Binary files a/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 2x.png and b/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 2x.png differ
diff --git a/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 3x.png b/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 3x.png
index e6164d3..fe9e0f4 100644
Binary files a/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 3x.png and b/AVRsack/Images.xcassets/CleanIcon.imageset/CleanIcon 3x.png differ