Zipper has a pretty big, and loyal fan following. And "if" it does become the next big thing, it can sell consoles, especially in the US whose love for FPS online action knows no bounds. Though it'll be going up against a juggernaut that is MW2 this fall, if it turns out great, and gets very favorable reviews, it can move some units. Especially if after a price drop on the console. Change the console war I doubt, but a price drop will help out more, and Sony as of now has the best known line up this year. So maybe if they're lucky, it all will help move some units at a better pace than now at the very least.
Can't wait to see what Zipper pulls off with this. They're extremely talented, now have a bigger team, and have become 1st party for support. This game could be a wet dream for FPS MP fans. I know I'm rocking a semi right now just from the premise and known details of the game lol.
Just needs some solid beta testing to make sure it turns out great. And the sooner the beta testing, the better *cough cough*.