What alternatives should I consider to a used Nissan 370Z coupe?
A similarly old-fashioned feeling sports car is the Toyota GT86. The major advantage of getting a GT86 is that there are a lot more of them about, and Toyota has a greater spread of dealers when it comes time to service your car. The warranty on the very similar Subaru BRZ is three years, but the GT86 has five years of coverage, which means you are more likely to find a GT86 with some cover left than you are with the BRZ.
The Mazda MX-5 is not a particularly fast car either, certainly not as butch as the Nissan or the Toyota/Subaru, but at least it's a convertible, so the wind in your hair will certainly makes you feel like you’re travelling faster than you are. There is a Roadster drop-top version of the 370Z too, but it's a very different animal to this MX-5. In fact, the MX-5 is a terrific car, great to drive, agile, dinky and fun. In fact, a world away from the 370Z.