So you want a reliable car, sporty (2-door?), but with at least an excuse for a back seat, and you're looking to buy something used to save some cash. I'd tend to stick with Japanese products, but then people here have heard plenty of me griping about the lack of reliability on my BMW.

A Nissan 300ZX (especially the twin turbo) would make for a fine car, although the question is how hard the former owner trashed it. A late model 240SX might also be attractive, as would a late-model Honda Prelude or Acura Integra GS-R or Type-R. I'm less sure about the Mitsubishi 3000GT's reliability, but it was certainly a monster of a car, contemporaneous with your departed Supras.

Of course, you can get all kinds of funny cars we never see here in the U.S. I have no idea how reliable the French or Italian cars can be, but some of them look pretty cool from a distance.