http://www.miata.net/garage/tirecalc.html

The stock 195/55-15 tires are about the same height as 205/40-17s.

Those are some skinny ass tires, and Integras with no body kit on em with 17" look stupid if ya ask me.

I'd go with some 16" wheels and 215/45-16 Falken Azenis.