I prefer horde for a few reasons.
1. Looks, Draenei? Really now? I don't want to play looking like a mutant fish. If I did, i would get a model edit.
2. Size, Umm..... Gnome warriors? Is that a joke? Prince could step on you.
3. Emotes, Roses are Red, Violets are Blue, I'm dead and colorblind. Or the Female Blood Elf, no, i won't do that, but my sister will.... lol