Hahahaaha....gotta love OCZ's comments "continued support for the gaming community" ... "anticipation of 64 bit computing" ... sorry I'm ranting again ....bout bloody time....
it starts off as facial movements and then after brain retraining you can emmit the response without actually performing the movement....its difficult to explain....check on monkey brain experiments here...it may give u an insight into how the technology works
some people have had great sucess, its difficult to say. It takes time to unlearn and re learn, depends on what games you intend playing it on and whether you have the time.