One of the greatest co-op experiences in the current gen of consoles.
Resident  Evil 5 sees you take the role as Chris Redfield, as he investigates  reports of bioweapons in Africa. There he meets up with Sheva Alomar,  and they become partners.
You can choose to play with the CPU as  your partner, but it really is a great experience to hook up on Xbox  live, and go at it with a friend. You can also grab another controller,  and fight in splitscreen. It's a blast. Any fan of co-op has to pick up  this title.
The graphics are incredible. They take advantage of the current gen of consoles. Expect alot of eye-candy.
The sound is fanastic. Expect nothing less.
Gameplay is top-notch. You'll have alot of fun, and there's alot of replay value.
Quite  possibly, the best title of this current gen. Pick it up, if your going  online, my personal advice is that you use Xbox Live. Have fun!