Fighter: Erinyes, Ares, possibly a Perseus. O and of course my Ulysses.
Bomber: What else? Artemis D.H. w\ minor table hacks. HELLO HELIOS! Goodbye Pathetic maneuverability stats of Artemis O! (not that it wasn't awesome in the first place...)
Cruiser: Aeolus+BGreen+a little more armor=Complete and total Ownage
Corvette: Deimos of course. Actually, once its done, my next project, the GTCV Achilles.
Frigate: 3 Guesses, and it begins and ends with the same letter.
Destroyer: GTD Galatea, Rebuilt to kick some ass. Alternatively Typhon or GTD Sirona.
UBERship of OMFG We're gonna die! : The Big C, GTVA Colossus. Rip on it all you want, It could pwn all you little bastards. Until you brought in a damn Sathanas. Even then if it could fully utilize its fighter\bomber complement it could still probably pwn a couple Sathani before having to retreat for major repairs.