I always shave at night, and have for a while because I am a bum and like to sleep as long as humanly possible before I get up to go into the office. I can do a DE shave pretty quickly, but I'd rather just do it at night and not even worry about the time.
I shower at night as well, which goes back to the sleep thing, so I don't have a change in prep.
J.
+1 to everything he said