Not been impressed with the quality of the add-ons for Fallout 3. Mothership Zeta may be the best of them, although weapons looted from that add-on fairly well unbalance the game.

Aside from the trip into the Steel Mill to get ingots (and encounter Troggs for the first time), the Pitt has been a boring waste of drive space. Not sure if the designers were striving for moral ambiguity, were inept, or were just plain lazy, but the Pitt's rather weak story arc is crap no matter which way you go in the end.

The Pitt offers nothing for good, noble characters. There is no reason for a Wasteland Messiah to spend time on it.