Amazon.com has a double dead on Left 4 Dead, a favorite of some of the staffers here at CrunchGear. Xbox 360 owners can scoop it up for $39.98, which is a good $20 off the regular price. The PC version is going for $29.98 – also $20 off the regular price.
For the uninitiated, Left 4 Dead is a co-operative shooter "set in a modern day survival-horror universe" from Valve, creators of Half-Life, Counter-Strike, and many, many other wonderful games.
Left 4 Dead [Amazon.com]