so buy their DOT Autox Compound Radial...

http://www.tirerack.com/tires/tires.jsp?tireMake=Hoosier&tireModel=A3S03

I know of several people who run them and do very well. They are a great tire, but a bit expensive for my blood.

I'm using the Kumho VictoRacer 700's. They're nearly half the price of the hoosiers, but nearly match them in performance.