T-9 for printing money
Python for many, many things (but not trading any more).
Vulture for pure pew-pew.
Hauler for taxi services.
The odd sidewinder stashed in strategic locations for messing around inside the void spaces of Coriolis stations.
My original Sidewinder for sentimental reasons, Cobra for missions (and some RES farming), Vulture for combat, Asp for exploring and a hauler as a taxi between stations.
Cobra for general purpose: exploring, rare trades, some combat
Vulture for pure combat, combat zones
T7 for trading
Eagle (recently repurchased) for fun combat.
Saving for a Python: to trade with teeth!
Mercenary Sidewinder, A-spec and kitted out for bounty hunting / policing within one system (no wake scanner).
Crimson Eagle, nearly A-spec and kitted out for combat, collecting dust at the moment.
Hauler, A-spec and kitted out for mining (16t cargo)
Cobra MkIII, A-spec and kitted out for exploration (with teeth)
Trade Annie
Mission Python
Bounty hunting Vulture and FDL
& a ton of sidewinders and eagles marking out the better trade supply/demands and outfitters( SW for trade and eagles for fitters)
Edit- forgot the Clipper its not really upgraded anymore but i do still take her out every now and then just for the engine sounds