Additionally, Amazon is selling the just-released Call of Duty: Modern Warfare 3 for $51.99 w/ $25 Credit Bonus towards the purchase of an Xbox Live 12 Month Gold Membership.
Alternatively, Buy.com has Call of Duty: Modern Warfare 3 w/ $20 Buy.com Credit for $54.99 (Xbox 360 and PlayStation 3 versions). Make sure to select the Free Budget Shipping option to avoid a shipping charge.