It doesn't really matter all that much to me, but I can see full-armor sets providing more options than what X and VI had.
A full armor set (I, II, III, IV, V, VI, IX, XII)
Weapon/accessory + customization (VII, VIII, X, XIII)
It doesn't really matter all that much to me, but I can see full-armor sets providing more options than what X and VI had.