To be honest, Assassin's Creed Brotherhood is my most anticipated game for PS3 right now and the fact that GT5, ACB and LBP2 release all in the one month and if I had the choice, I'd pick up ACB first and then GT5.
The only reason why LBP2 is my last preference is that I'm more of a guy who plays other peoples fantastic levels. I'm not much of a creator and I just want to wait for a bit and when I see awesome community levels, that's when I'll join the LBP2 Community.