Adamantine Armour 5
Elven Chain 19
Mithral Armour 14 + 1 = 15 Still visions of $$$ dancing in my head.
Dwarven Plate 23
Shield of Missile Attraction 10 - 2 = 8 Who needs magic, just paint yourself garishly and be a visible target; much cheaper
edit: rczarnec got in first