All that was said above against the blindness of the OP, plus the fact that Speed Runs will only be for Achievement Hunters means this entire argument is irrelevant.

DRG is a beast of a class to all who know how to play it right.
PLD can tank pretty much anything in this game in a comparable manner to Warrior.

And all of this is based off of pretty much no knowledge of how Battle Regime will effect the game.

So let's stop with the negative nancy threads already?