Let me first say, this is all RUMOR (all though the last two rumors this guy stated were spot on, but much smaller than this), and although there is some small plausibility to some of it, there is a very high chance that much (or all) of this is NOT true. Everytime you state these rumors with any factual evidence behind them a kitten is vicously mauled by a Grizzly Bear.
http://www.zeldainformer.com/news/co...d-the-next-gen
http://3dsforums.com/general-gaming-...nextbox-44575/
If any of this is true I would put money on the Nintendo aspects, however the Sony and Microsoft ideas seem extremely farfetched, and honestly not a way I would want to game (I don't like the idea of having to wear a helmet to play a game and the omni-projection thing sounds like a nightmare). If those are true I would be shocked, and not even worry about getting any next-gen consoles.