If you're the sort of person who goes on excitedly about how brilliant the end of Mafia was, and how it was the most mature take on the GTA-style game the world has ever seen, then you have a reason to celebrate. Its creators, Illusion Softworks, are working on a sequel, called, in a flash of inspiration, Mafia 2.
To be honest, I'm not among them - I thought it good, but far from Great and it always felt a little barren in terms of interactivity. That I played it before you were able to skip the early, murderously difficult, circuit racing mission which blocked progress in a way akin to the hilarious and infinitely infuriating driving-test section at the start of Driver. Anyway - enough 'orrible whining. Little else to say. Details are sparse at the moment; there's a press release whose meaning can be boiled down to "There will be a sequel to Mafia. It'll come out on some formats, one of which will be the PC".
However, it does look pretty. For more pretty, go to its (particularly bare) site here where there are four other examples of pretty. Yes.