Well I gotta Say ... GoW is freaking awesome. I only played it for about an hour and a half last night, and some of that was online. The control takes a little getting used to, but wow the graphic are incredible. The somewhat choppy framerate in the cutscenes was kind of bothersome, but during gameplay the framerate is so fvcking steady.
In multiplayer I only played 3 levels, and one of them was the level it's raining and holy crap it looks incredible. I also played this level that was like a run down mansion or something, with water pouring throgh cracks in the cieling and stuff. It is the best graphics I have seen on the 360 by a long shot.
However I have my doubts about the online part. Seeing as though it's only 10 levels, and only 4v4 with 3 modes, I am worried it will get old quick. Both teams start out on different sides of the level and it just seems like the same strategies will start to be used over and over once people get used to the game. but then again I only played it for about 45 minutes online. i am definitly looking forward to going home after work and playing co-op with a friend.