In reply to streetfighterjeff: Depends how you like them fitting and how much the shoe stretches.
My method which is works for most people is to find a shoe that you like and that fits well. Then go down the sizes to the size you feel you'd like it to be when climbing (usually tighter if your climbing harder, or looser if your after a more all day shoe) and once you find that size, go half a size smaller and then it will stretch/mold into a nice snug shoe.
That's what I do anyway