I personally want them to bring back tanking from TBC. That way you wouldn't care about DPS and more about holding threat and not dieing. God I would have hated tanking in TBC.
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It was more of a joke about the holy pallie. That being said, when you have a tank doing amazing dps, 3 good dps and a healing doing 400-500k damage... yeah a dungeon fight is only going to last 30 seconds.