thee unbelieveable

Taking a direct shot at Wii users who "sit on the sofa using some kind of preset waggle commands," Natal is controller-free, using what looks like a TV-mounted camera/microphone bar to sense motion, sound, and even 3D movement, suggesting that the technology involved is far beyond that of products like Sony's PlayStation Eye.

Project Natal is going to work with all current, past, and future versions of the Xbox 360, according to the press event. While the wide-open excitement of the initiative was refreshing, the fact that Natal has no official name, price, or release date was disappointing. In fact, it was called a concept for the future.
read more here.