The progressions changes from expansion to expansion as well - while Burning Crusade seemed to focus a bit on making Horde and Alliance cooperate, Wrath of the Lich King downplayed the whole thing a little - only dragging it out kicking and screaming when it was needed for the story. Now, with all the good deeds of Icecrown forgotten again by a dragon sitting on the clocktower, we have a hearty rivalry between Horde and Alliance again. Oh yes.
So yes, I can't decide. In fact, I don't want to decide. I think someone should brutally murder the leaders of the Alliance and Horde in their sleep and force the rest to work together in a
Someone who has a sense of priorities. Dragon first, then Barrens/Stranglethorn trade routes.
"That's the only way that we'll be able to beat the Lich King. Tirion has limits, the Horde and Alliance bicker amongst one another. The Ebon Blade has no such restraints."
I'll go with Darion - The Ebon Watcher and the Knights of the Ebon Blade.