Hello.
Right to the point:
Clothes: prr/mrr cap at 50
Light armor: 75/75
Medium armor: 200/150
Heavy armor: 300/200.
Why?
Clothes: monks (high dodge, imp evasion, cc), casters (are casters);
Light armor: rogue (same as monk, less cc), ranger (evasion, less cc),
bards (cc/evasion depending on build);
Medium armor: Barbarian, Favored soul (bards, artificers?);
Heavy armor: the rest.