Rome: Total War Sequel Plans?

NeoGAF has an image said to be from the latest PC PowerPlay teasing the next issue of their magazine. The image shown is a large "II" superimposed over a scene from Rome: Total War, leading to speculation that The Creative Assembly is preparing to announce a sequel to the strategy game, which following the naming convention of their recent Shogun sequel would likely be titled Total War: Rome 2. Thanks Computer and Video Games.