You mean MoP? Monkeys fighting fish people is quite a stretch from Horde fighting Alliance indeed. So far, I haven't seen a true Horde/Alliance war. I've only seen words thrown around but very little actual action.
---------- Post added 2013-04-28 at 08:56 AM ----------
If you're waiting for the Horde and Alliance to unite you might want to start checking out other franchises.