As of now, you can download the latest expansion pack for  Resident Evil: Operation Raccoon City , “Echo Six Expansion Pack” ($9.99) (also available on Xbox Live MarketPlace), containing three all-new Spec Ops missions. 

Additionally, you can now download mirthful zombie-fest  Dead Rising 2: Off the Record off PSN for $19.99 as a digital title. PM me if you want to co-op!