kenjib said:
Whoa - you really think so? You don't think magical full plate and a large shield, granting up to a total possible +20 to armor class, makes any difference for the wizard, sorcerer, and bard beyond flavor?
Not really. A high-level wiz can already get AC up into the 40s:
base 10
Dex 20 (doubly-empowered cat's grace): 5
+8 bracers of armour: 8
shield: 7
haste: 4
+5 ring of protection: 5
+5 amulet of natural armour: 5
= total AC 44
The only short-duration spells used are haste and shield; the cat's grace will be on all day. That's comparable with a tank in +5 plate, +5 shield, +5 ring and +5 amulet, which is AC 41 (45 with haste). Even at low levels, a wiz with mage armour and shield (AC 21 minimum) has equivalent protection to a fighter in full plate.
The weakness for arcane spellcasters isn't AC, it's hit points. In fact, you could even argue that they _need_ those AC buffs, otherwise they wouldn't stand a chance in combat, being too fragile.