ok so my tank needs a minimum of 435 defence

my casters need 158 hit (6%) for level 82 bosses

Druid is maxed with balance of power and heroic presence Talent 6% HP 1%

Shammy has HP 1% Elemental percision 3% (if i take IFF from druid + 3%) so maxed no hit needed or is 53 if no IFF

Mage has 1% HP 3% percision so same as shammy capped with IFF or 53 hit if not.

Hopefully i got that right