I can't see this thing working well. The technology is sophisticated, too sophisticated for a mass produced gadget made available to the public for such a price.
And there are too many variables. From what I understand no two brainwave patterns are the same. Similar reactions in the same nerve centers; but one persons beta waves (or whatever you want to call it) will look differently from anothers' when presented with the same information.
And then of course you have driver issues and game compatibility. I can see an fps POV jumping all over the place, at best. If it even makes it to market, it will be a novely and *may* work with like one included title.
Five years and three revisions later, I'll check it out...