I doubt that I'm the first one to ask this, but do you play better over the board or on a 2D computer screen?

No you arent the first!

Over the board for me, but if this thread goes like the previous one, then I am in a minority.

Actually, it turns out that I'm alot better on a 2d screen. I've taken to playing live games on an actual board (I only play long games, so its doable) so that I get "used" to seeing the pieces on a real board. I also try and do as much analysis as possible on an actual board.