I'm pretty excited about the class changes! I want there to be more differences between the hunter specs, for instance. My main is a hunter, so I'm not 100% sure whether I'd want to be a melee pet spec, but what is really cool is I could switch as needed, for example, if the raid needed more melee over range for some reason (though range can still hang out with melee, I know :P).
I'm also excited for Demonology to go back to focusing on demons instead of Meta; I honestly didn't like Meta, which is the biggest reason I didn't like playing the spec (going Destro most of the time instead). I