ah, earlier game ranger will be more useful seeming than barbarian, and ac makes a difference.
later game, youd better have 70+ ac or its not even mentioning, and the heals from wands is too slow to keep you alive :O
but if you are f2p, you might not like ddo enough to get to late game :[, once you get to 14 or so, you have to choose if you like ddo enough to spend money on it.