At work I have been using a computer that I really haven't thought that much about. When I looked at the resolution I realized it was 1280x1024. Still didn't think much about it.
At home while I code I am at 1024x768 on all my computers. Just standard me using a standard resolution. Then it hits me, duh, I could get much more screen real estate by using 1280x1024, the word wraps would be fewer, I could see more lines and I was already comfortable with that resolution because I use it at work.
So, for curiosity, what is your preferred resolution?