Originally Posted by That One Guy
I usually run without an anti-virus at all. The only times I've had a use for one were after I was infected and they are almost completely useless then. It seems like the best use of an anti-virus is to make you feel secure.
Did you ever think that maybe you got infected because you didn't have an AV running? A quality AV (not norton, mcafee, etc) will save your ass a ton of headaches.