What about shields? I dueled a guy that hit me with over 500 packs and never dropped my shields: (Challenger/800mj bi-weaves)
Challengers can be such ridiculous little balls of excessive HP for their cost. Shame they so often get denigrated for what they lack compared to the chieftain rather than what they have over it.
I'm always fun over efficiency, my two favorite mission runners are the FDL and courier.
I don't do hauling missions, FDL doesn't have the capacity or jump range for my taste, which is a high priority for me when not shooting things. Especially when it's spread out commodities for tech broker unlocks, some of which the nearest supply is on an outpost, which means no cutter.
184tons with travel focused fit or 284 full cargo fitted, 53/41ly jump range, agile enough to land on a pad without issue. No other outpost capable ship can do the job as well.