Oh, and I didn’t mention, if it’s late at night (which it is now) I switch to white on black. I find it much easier to read for longer considering the low light environment.
@mirza: Not really. There are more readable fonts though. You’ll notice the difference after a hell of a lot of typing.
@lefteh: Well, Georgia is pretty readable. But when you’re writing code, you expect to feel like you’re on the backend of something, not the front! :)