Xdelusion: other companies in the world refuses to jump in on something like this for many reasons but one of the main ones are because of lawsuits and other things.
have you ever tried cheap {bleep} vr stuff? , you get motionsickness , ala the way u get sick in a car or a boat...just about 10 times faster and worse..
i love it..but i cant play with it for hours though i played with one in hannover some years ago and that one was awesome, no motion sickness or whatever and most of all no blurry visions while moving fast...but that thing costed like 50.000 usd ..just for the googles..