The Paladin and Shaman classes will soon be availble to the alternate factions in World of Warcraft as part of the Burning Crusade expansion. The Paladin class will now be available to Blood Elves, and the Shaman class to the Draenei.
[url=http://www.worldofwarcraft.com/burningcrusade/townhall/classcombo.html]From the World of Warcraft site[/url]
