Looks like a decent deal and am not sure if it has been posted before?
The Xbox Live 12 Month Gold Membership - COD: Black Ops Branded card allows players to connect to the online community and create their own digital identity with an Xbox LIVE gamertag and personalised Gamer Profile.
Xbox LIVE members will be able to send and receive text and voice messages and join their friends on Xbox LIVE. Xbox LIVE Marketplace is the one-stop download centre for additional game-related content like free trailers and demos as well as content that adds more to games, such as new levels, characters and weapons.
Gamers can also purchase and download fun, casual and highly addictive Xbox LIVE Arcade games directly to their Xbox 360 system (additional fees may apply, hard drive or memory unit required for downloads).
Xbox LIVE Gold Membership also features access to premium multiplayer experiences. This includes online multiplayer gaming, enhanced matchmaking and feedback tools, along with exclusive privileges and rewards on Xbox LIVE Marketplace.