The tried and true way is the Koni SPSS shocks and the Ground Control coilovers. Everyone I know who is fast uses this setup. I think I know one fast guy in a WRX in STX using Teins or Progress Group.
__________________
Sponsored by: KAM Racing Sports, Falken Tires, Progress Technology, Brady's High Performance, Taggart Performance Engineering, Rotora Brakes
Autocross is: 90% driver, 5% car, & 5%
CRAZY MOJO!
Autocross Help Page