Assassin's are IMBA, I play one on Mir 3 (Haven't logged in for 2 days atm, Just about to go on after posting this though :P)
I'm level 29 Assassin, I'll get 30 today, but yea, NOTHING like a warrior. They are squishy (AS HELL, Especially V Magic, Melee Isn't too bad with the buffs (Poison...