Xbox 360 Gesture Recognition
 

GestPoint has some cool gesture recognition going on with two of the upcoming Xbox 360 Eye-Toy cameras. Using two instead of one, they can detect motion in 3d space, in a sort of Wii-controller like fashion. Using your finger or other body part, you can direct a sword or other objects on the screen up, down, left, right, in, and out. The fun part is the in and out.