I saw some video when it was first introduced but this one goes into a lot more detail. Looks really cool and is one step closer to Star Trek holodeck.
Really cool concepts. But certainly pretty distracting if isn't done properly to work on certain type of media. I'm pretty sure it can become pretty immersive on certain type of games and media if done right if only to enhance the experience. I mean a spooky or scary games would work well for this and the movie The Ring would be pretty freaking creepy using this technique.
Sums up my feelings: http://www.cracked.com/quick-fixes/4-reasons-youd-never-use-microsofts-new-gaming-device/
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Looks really gimmicky. I'm a Microsoft supporter, but between this and Kinect, my only thought is "who really cares about this enough to use it on a consistent basis?".
That's what I said about tablets. That's what I said about 5 inch + phones. I'm saying the same thing right about this and Google glass.