Those cunts over at Kotaku wrote an article about how world of warcraft was almost world of warhammer.
You can read it here: http://www.escapistmagazine.com/news/view/118719-World-of-Warcraft-Could-Have-Been-World-of-Warhammer
The Official Warhammer 40,000 and Tabletop Gaming Guild
The Official Gaian Home of Tabletop Gaming