The 2012 World of Warcraft Arena Pass registration is now open. As mentioned previously, if you sign up and participate, you will receive exclusive access to a Mists of Pandaria level-90 Arena Pass realm if you upgrade to Mists of Pandaria.
Cataclysm
World of Warcraft – 2012 Arena Pass Sign-Up
Yesterday, Blizzard announced that the 2012 World of Warcraft Arena Pass will be available for sign-up on April 10th. Those players who sign up will have access to special realms with level-85 templates and gear.