The 3DS works because it's glasses-less and the 3D can be turned off. I generally think 3D is gimmicky. This is nuts. I'm never going to pay $800 for something like this.
http://www.gamertell.com/technologytell/article/sonys-3d-headset-will-come-to-the-united-states-for-799/
http://www.gamertell.com/technologytell/article/sonys-3d-headset-will-come-to-the-united-states-for-799/