Healer mana replen or conservation is undertuned at the moment. but cata wont be free epics hopefully. everything else i have seen from total biscuit has been good. hes not the worlds best player and doesnt pretend to be however he is decent enough to be able to work out a strategy rather than "PULL ALL AND AOE" . only thing i have seen wrong is the core hound with pups that is massively broken