I would be curious to see how Ouya will fit in there, yes Android is supported, but at what point will Ouya be supported or not by Unity 4?
Presumably after they show some signs of actually shipping the thing. Yes, yes, I'm a curmudgeony and perennial Kickstarter skeptic - but what other stance can you take when a team that has never shipped any consumer electronics before promise to ship a profoundly game-changing piece of hardware on an extraordinarily aggressive schedule, at a shockingly low price?
The only thing that's hard about the schedule is that they're a new manufacturer and need to build relationships with all of their suppliers. NVidia would have given them a reference design that they could almost use unchanged.