Given that I'm the only Paladin in the tank group when raiding, and there are no casters in my group, concentration aura is completely worthless. Let the other paladins (in the healer groups, with their mana tide shaman and shadow priests) get it. So it comes down to devotion vs retribution... which depends on the situation. When AE tanking or when I need extra threat, the ret aura threat helps. It's not Consecrate, but it's certainly not insignificant. Otherwise, it's Devo.
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Me, LOL!

