Lots actually...
Chaparral 2J (It's hideous. And hideously fast.)
Chaparral 2D (Eats up those corners.)
Tommy Kaira ZZII (For under 70,000 cr., this thing is amazing.)
Sauber Mercedes C9 (Epic mount. One of my favorite race cars since GT4.)
Nissan R92CP (Same exact reason as the C9.)
Ford F-150 SVT Lightning (Pleasantly surprised with this one. After doing the seasonals, this became one of my favorite 'ring attackers.)
BMW M3 CSL (Great looking car, even better performance.)
Daihatsu Midget Type II (Fully-tuned? Yes please.)
Toyota Supra RZ (Beastly. Just wish that this was a premium instead.)
Toyota MR2 1600 G-Limited Super Charger (Really surprised me. Great handling.)