For new higher league performance cars I will have to go with the Ultima GTR.
30 grand area I would have to say the WRX/STI and EVO are monsters.
now for us poor folk who feed on the used cars that dont your fancy warrenties and such nonsence..
1g AWD DSM
5.0Mustang
c4 vette
mk1 mr2
easly miata
CRX
88 fiero
also, cant get much more bang for your buck in performance then a bike(then just get a reliable daily driver)..