Does the exploiter have high HP? No. Although it has high AC to mitigate dmg and saves, but still, no high HP.
Does the exploiter have high DPS? Sure its alright, but its nothing great (a barb, fighter or pally spec'd for dps would trounce it). IMO if you give anything a couple Double T3 Greensteel it would deal some sort of DPS.
My point remains. In DDO if you want to gain something in a build, you MUST lose something in order to obtain it. Want more DPS? You're gonna lose something.