WotLK Online Upgrade Available

Blizzard has announced that the Wrath of the Lich King Online Upgrade is now available as an option for World of Warcraft players.
You can now buy account-upgrade keys and download the game client for World of Warcraft: Wrath of the Lich King directly through the account-management section of www.worldofwarcraft.com. The direct online upgrade method is the most convenient way to upgrade to Wrath of the Lich King and join the millions of players who are already adventuring in Northrend.
Read more here.