I picked up my copy last night but I ended up having to download and install on my xbox three times as installing kept failing. This is what I hate about the XBOX it takes freaking forever to install a new game. Needless to say, I gave up and will try and get on tonight.
I've found a way to avoid that. When the game asks you to update opt to due it later and just get the game on the hard disk first, then update after. I have yet to have a failed download through multiple games. I played with 7 of my friends on custom games the other night and its like being back in high school. Hope they get the matchmaking fixed soon