1993 Miata
+'s:
1] Cheap, very light, tiny, short wheelbase, RWD, 5 speed, Inline, oil squirters, DOHC, non-interference, 4v, wasted spark, 90's Japanese car; so its "reliable", gets good mileage, etc.
2] A/C works; convertable gets the heat out quickly after parking it
3] Bolt ons do wonders for it...flywheel makes it feel like a completely different car, coil-overs make it handle awesome...a turbo would kick ass though.

-'s:
1] Its RETARDED slow
2] Hasn't been as reliable as it should be
3] Differential is dismally weak...tranny is respectable...at least the engine is built to hell from the factory

1988 Turbo Supra
+'s:
1] Best combination of price, RWD, 5 speed, turbo, potential, looks, safety, reliability, comfort, ease of working on, torquey, IMO best sounding...etc. + everything from above except small and light
2] Never had to tow it...even with the shoddy current setup, it made it home from Tampa tagless no problem, even with boost..to and from Naples without the slightest hickup..extremely comfortable ride, even better than today's cars
3] Once you hit 3750 RPM, it doubles its power...the sounds, the torque, the feel....

-'s:
1] Stupid freakin crossover intake/intercooler piping design
2] Underappreciated; people doubt its dependability...even the parents wont let me take it anywhere, despite the whole Naples and back thing
3] Shoddy current setup, sooo much to fix. Restoration will be a blast, but loads of work