Killzone 2 is nearing 2 million sales.

[TheThunder]

Q1: 2.5mil tops

Q2: I think so. I don't think KZ2 costed Sony as much as GT5 or GOW III did but I don't have anything to base that on

Q3: probably, I really think this gen is going to take a while. No new consoles before late 2012.