UPDATE: CONTEST OFFICIALLY CLOSED. WINNERS ANNOUNCED HERE.
The Blizzplanet Wrath of the Lich King Closed Beta Key Contest (For US players only) has been extended to August 15th. Read the rules page here.
The Blizzplanet contest is now posted at the official World of Warcraft website under the community spotlight section. Check out other fansites who are running their own contest to increase your chances to win a Wrath of the Lich King beta key.