I did all content except hypershunt, the bounty with the dorito and bounties with 2 or more guardians, without fitting any ships by hand or flying a ship so only autofit + battle commands, also had only a few officers in use.
My fleets with 200DP - 350DP I used consisted of:
Capitals only against battle stations and star fortresses, like paragon, the new missle capital and Astral. Dooms, Eradicators non P, occasionally Apogees, Auroras, Eagles, Champions and Falcon P.
Destroyers and smaller: Sunders including the ones from Sindra, Hammerheads, Medusas, normal and TT brawlers, Afflictors mostly P. I mostly commanded point taking, flanking/battle line and the occasional eliminate, otherwise I did not do much, Ordos or some (a few) high bounties were a pain, the more expensive TT elite phase bounty was a pain, rest of the content was a breeze.
E: I did not dare to progress the event bar with my colonies but I found [the bomb].
E2: No S-Mods on combat ships were used.
I am surprised it worked that well, with only a few officers and zero hand fitted combat ships, no S-Mods... Okay, Dooms are insane especially with system expertise, Afflictors and Eradicators are very strong, Sunders with High Intensity or Autopulse lasers (and Tach Lances) are strong.
E3: I also used the insane monitors for a few hours in the earlier part of the run, the fleet was mostly below 240DP excluding logistics and fortress busting for most of the run. Autofit is stronger than I expected.