GTA V coming Spring 2013 to PS3, X360. UPDATE: it's official now, R* confirms

[oniyide]

@archbrix If R* doesnt believe they can make a profit on the game, that is good enough reason right there, we are just assuming that the porting costs wont be high, because we heard it from a few devs. But not all engines are created equally, some might not work well with some systems.