I'm a big fan of strategy and FPS (first person shooter) gaming. Call of Duty 4 (COD4) is great because it allows you to combine strategy and FPS a little bit with the assertion of "classes." Where you can build your player with special attributes, combining them in a way they benefit each other.
The popularity of online gaming seems to have been rising in recent years. And what do American's have to say about that? Not a whole lot, surprisingly. It's getting bigger in other countries and it's getting bigger in America too. The problem is, it's not getting the credit it duly deserves. Honestly, I can see internet gaming to become a more popular sport than even football.