Neat idea, but I don't necessarily want a whole new computer, just the projector + 3D camera. Someone should hack together an open source version. The hardware

Neat idea, but I don't necessarily want a whole new computer, just the projector + 3D camera. Someone should hack together an open source version. The hardware should be pretty straightforward: a commodity projector, a couple webcams, and perhaps an Xbox Kinect or similar.