This level 100 Techdays 2012 the Netherlands session by Rob Miles provides some great information, demos and development examples for the Kinect.
Kinect Mayhem: Psychedelic ghost cameras, Virtual mallets, a Kiss Detector and a Head Tapping Game
If you want to find out just what a Kinect does and discover how easy it is to write C# program that use the sensor then this session is for you. If you want to watch a psychedelic ghost camera in action, or see the only two player head tapping game in the world, then this session is for you too
Project Information URL: https://channel9.msdn.com/Events/TechDays/Techdays-2012-the-Netherlands/2469