And i totally agree about the PS3 controller being uncomfortable MF, but Killzone is worth it.
I'm the exact opposite. I can't stand a 360 controller for anything let alone a FPS. I couldn't play Killzone using one.
EDIT: Oh, and @ MorrowindFan: No, it's not horrible. But it's not as high as many people, myself included, were expecting. Still, I don't particularly trust IGN or Gamespot as both seem quite biased towards the 360 to me, but I don't want to start a console war. Reviews that have mattered have given it good scores, so we'll have to wait and see.