TheLastStarFighter on 16 April 2013
I think MS intends to run Windows 8 on 720. I think they also expected PS4 to have 4 gig total. I think Nintendo also expected that, thus WiiU would only be at a 50% dissadvantage. The multi-media windows focus of 720 could suck a lot of game RAM. But MS may have changed plans with the PS4 reveal.
