SourceList is an open-source iLife ‘08 based NSView subclass hosted at http://code.google.com/p/sourcelist. Let me know here if you use it and I can link you from my site at http://www.33software.com.
SourceList is really easy to use, it exposes three content bindings and one for selection:
SourceList is dependent on another one of my projects Amber.framework which is available at http://code.google.com/p/amber-framework.
The screenshot was taken of the included example application which parses the ‘iTunes Music Library.xml’ file, I’m moving towards using an SAX based parser to improve performance.