I don't think high elves would hurt the horde, I love ALL my races on horde. BUT they could definitely use the player model upgrade. Orc women and taurens are so Lego looking compared to the beautiful goblin and Pandaren models. Also when I have cool facial animations, with hair bouncing around feeling so lively on 1 toon... then I log into my Orc female hunter... or Troll female Druid they feel sooooo static, boring and downright lifeless in comparison.