Two Kinects join forces to make 3D telepresence, enable virtual light saber battles
http://www.engadget.com/2010/12/20/two-kinects-join-forces-to-make-3d-telepresence-enable-virtual/

Quadrotor Autonomous Flight and Obstacle Avoidance with Kinect Sensor
http://www.youtube.com/watch?v=eWmVrfjDCyw

3D Video Capture with Kinect
http://www.youtube.com/watch?v=7QrnwoO1-8A&feature=related

Kinect SwimBrowser
http://www.kinect-hacks.com/kinect-hacks/2011/02/26/swimbrowser-swim-through-web-kinect

Human Tetris Kinect Game
http://www.kinect-hacks.com/kinect-hacks/2011/02/18/human-tetris-kinect-game