I've always love gow, but 3 was just such a letdown storywise. I mean, WTF, the final boss battle of an "epic" trilogy is a giant beetle that could glitch on you and have you spend 30 minutes defeating it?!?! The MP was vastly improved over 1 and 2 though.
I'm still on the fence; I think the campaign will return to classic gow roots, but MP looks meh. Eventually I'll get it but I'm loving Tomb Raider right now and the king of all games, Bioshock Infinite (!!!!) comes out the week after gow, so I'll prob just let my buddy get gears and we'll split screen co-op it when it comes out and I'll get it used on the cheap a month or so later.