Leaked Microsoft document details $299 Xbox 720 in 2013, Kinect glasses, OnLive acquisition

I question the 2013 release date (albeit, I know Alpha kits are out for the next system)

Some of the specs detailed in this don't add up to what I know of the system (in fact, some the specs are under). I think this is a controlled "leak", to see how the public reacts to what they actually do have planned.