...
having to pay for online gaming, which isn't in any way better than what the ps3 has to offer, playing so called "exclusives" on your beloved xbox360 which all eventually get ported to the pc, having microsoft not in any way support innovative new ideas so you end up with halo3, Halo wars, halo reach, halo odst,...
Well if that's your kind of thing stick with it. Otherwise: The PS3 just got a price cut buddy.