CompUSA isn't the cheapest place to buy games most of the time, but 15% off may help some. They have discounts on other things also.
Cheap ass link (gaming department)
http://www.compusa.com/promos/codes/0310_codes.asp?pfp=fod&ref=performics
Cheap ass link (gaming department)
http://www.compusa.com/promos/codes/0310_codes.asp?pfp=fod&ref=performics