You may remember this young man when he made a "Minority Report"-esque touch-the-air application using the Wii remote and a home made IR sensor bar. Now, he's made something that seems much more immediately usable for Wii games:
http://i14.photobucket.com/albums/a324/Arkives/Disccopy.jpg%5B/IMG%5D">http://i14.photobucket.com/albums/a324/Arkives/Disccopy.jpg%5B/IMG%5D">