Orcs, Khajit (i'm not letting them off the hook), Redguard (cliche but has to be done), Altmer (they've taken some hits but nothing focused) and that should be it.
So Orcs it is. Ugly and stupid for starters. Let's go people we don't have much time. --- Reading is good. It improves your vocabulary, expands your imagination and provides endless amounts of information.