Battle.net announces the availability of a 10-day free trial version of World of Warcraft: Cataclysm, offering a sample of Blizzard's new MMORPG expansion to those already playing the game. Word is: "To participate, you’ll need full versions of World of Warcraft and the first two expansions, The Burning Crusade and Wrath of the Lich King. Note that a character of at least level 78 is required to explore the new, high-level zones. More information on the 10-day free trial is available in our FAQ. We look forward to seeing you in the new Azeroth!"