Johnny Chung Lee has some really cool experiments with the Nintendo Wii Remote hosted over on his website:
Johnny Chung Lee - Projects - Wii
In particular the demonstration video of the head tracking application in the third video is very impressive!
I have been writing about web technology and software development since 2001. I am the developer of the Alpha Framework for PHP, and the Five.Today personal productivity app. I love open source, technology, and economics.