Because everybody was talking about it, I've been playing Call of Duty: Modern Warfare 2
recently a bit.
It's a nice game, especially the single player campaign: Nicely scripted missions in beautifully edited 3d scenes which feels like you are playing in a Hollywood movie (actually, the story and dialogs have about the same non-existent depth and logic as those movies) and it's quite fun to watch the AI fight on your side through those heavily scripted levels.
Unfortunately the single player part is pretty short (played through it in about 2 evenings), and so I tested the multiplayer mode for about... estimating... 300 games (omg). Playing online in Deathmatch/CaptureTheFlag/AndWhatNot modes is similar to other shooters, but they combined it with an RPG like component giving your access to more weapons and features the more you play. Which somehow triggered the RPG-Player in me and efficiently consumed a lot of my free time. Fortunately, a lot of players recently started to use cheats like auto aim bots which takes the fun out of the game and I finally was able to stop myself. :)
Summarized: A nice game, worth having a look.