Horde side? Taurens and undead. The male taurens need to look more like this:
The male undead need a back brace, or at least an option for one. I'd love several race choices for the undead.
Female orcs need help, the same way female dwarves do.
Female trolls need to go back to the beta skeleton with a better skin:
Eventually BEs and Space goats need help, especially male squid faces. The fridge on legs model is awful.