No big surprise, but I'm behind in my Xbox 360 game reviews. So it makes sense to start with the game that's been sucking up my free time in huge quantities lately. And I'm not talking about Call of Duty 4 (see my review) or Grand Theft Auto IV, though both certainly have their place. No, I'm referring to Rainbow Six Vegas 2, the sequel to a five-star game I reviewed last year. Like its predecessor, Vegas 2 is fun, addictive, and immersive, with a nice mix of single player, co-op, and multiplayer experiences. A team-based shooter, Vegas 2 will appeal to fans of the first game, but it stands on its own as well. The big question, of course, is whether Vegas 2 stands up to the current Xbox 360 shooter champion, COD4. The answer, as it turns out, is no. Too, Vegas 2 doesn't really offer much over its predecessor, and is in fact just a continuation of the same game