I know people who swear by standard and others like me who swear by inverted.

I find it kinda humorous that people around here seem to think there's a right and wrong way to do it. 

I swear by inverted, for me and my friends its considered the proper way to play FPS due to mainly flight simulators weplayed when we were younger.

 and when he says stuff like "This is more fun than a bus-load of cheerleaders!!" or "Well, I suppose since we're all about to die, I should own up to a few things. First of all, to Jimmy A. I was the one who set your backpack on fire. I'm sorry you couldn't get it off in time."

lol, when my friend first heard that I had to pause the game for like 5 minutes before he calmed down. 

Some of the Mustachio comments from Quark while you're battling are pretty funny too as well as the cryo sleep thing after the first level. Oh and when you're dressed as a pirate, it's funny to go up to Pirates and go "yarrrrrr" and they do it back.