Leap Motion Control

The Leap Motion Control device will create a new way of interacting with your P.C. or Mac computer. It is 200x more accurate and able to distinguish between hand/finger movement and motion down to 1/100 millimeter accuracy.
It uses motion control software in an 8 cubic feet of 3D space to detect finger movement and gestures. This device is slated for release toward the end of 2012.
The Leap is available for preorder with an msrp of 70.00.