My main is a priest, I've healed countless heroics. There is almost no doubt in my mind that avoidance is better (in regards to healing) than stam IN HEROICS. In raids it's a completely different story, outside the scope of this thread.
Originally Posted by Muggs
When tanks stack stam with no regard to avoidance, it makes it much harder to heal other party members, makes it hard to do anything but chain heals on the tank. A 3-4 second break in heals and the tank goes PLOP.
You are wrong, though I know I am speaking anecdotally, and if requested I can make my argument more concise.
Rest can go fuck themselves.