I believe that Microsoft *would* have left after this generation if 360 hadn't shown the improved marketshare and overall market presence that it has
Fortunately for them, the entire division is turning around somewhat, as even Microsoft can't afford to piss away money against a company that's moved away from being a direct threat anyway in this economy.
Ultimately they are the most likely of the three to leave (Nintendo will go bankrupt before they leave, and Sony's going to be motivated by the fact that they've seen how glorious having a super-dominant console can be), but i would put the chances at low

Monster Hunter: pissing me off since 2010.







