Warrior-Excalibur and impossible to kill+protect,blink,etc
thief-speed and power(one hit killz!!!!!) and temper+haste!
red Mage-focused in white magic and deathbringer is epic!
red Mage-black magic focus and deathbringer
or
warrior-same
thief-same
white Mage-masamune? Sweet! And her "heal" spells are epic+holy
black mage-items with spells+absurdly high intelligence=BOOM
I have the itouch version and the redmages have more spells, better stats, and DEATHBRINGER(holy shit is this thing powerful and easy to get(item drop from black knight, high drop rate)