You could have Obama himself shout it from the mountaintops, all these protoypes don't mean a thing until they go into mass production and hit the shelves. Are you aware that a great deal of protoypes have all these bells and whistles, but by the time the final revision is done, a large chunk of the features are removed?
In other words, what you saw with Natal might not be included in the final version. So until it is about to ship, all we know is that its an idea. As for ideas, they can poof into thin air at any given time. So, as of right now, there is only one system with true motion controls.







