First Chaos Classes Revealed!
GameSpy has revealed the two new Chaos Classes in an interview with Paul Barnett. It seems that all you evil magically inclined Chaos fans out there will be happy to know that the first two classes on the block are the Sorcerer of Tzeentch and the Warrior of Tzeentch. There's a lot more information at the Gamespy article and I highly suggest you all read it!
You can read the article here.