I happened to stumble upon this and it seems like a pretty decent deal.
360: http://www.walmart.com/ip/Assassin-s-Creed-2-Xbox-360-Xbox-360/11019176
PS3: http://www.walmart.com/ip/Assassin-s-Creed-2-PS3-PlayStation-3/11019177
The PC version is not priced the same if you were interested in...