White Mage should get blizzard? What the?
So you want to get instant MP refresh with no side effects? We can just ask SE to give us all ilvl90 gear for all classes by moogle mail at next login.
I play on PS3 and I never used seriously Presence of Mind or Cure III.
PoM would be worth a hotbar slot if it granted double the spell speed, considering it's just for a few seconds, and Cure III is just useless, and increasing its radius would make it just overpower. And we already have Holy, enough OP for WHM.