Koni yellows rule... I have a set on my 87 Si, and they are so far above anything else I've rode on... Then again, I haven't done my homework on the Bilstein HDs. Consensus among the crx.honda-perf.org board is that the bilstein self-adjusting shocks make for a really nice ride for a street car. You're looking for an autocross car however... And as for Teins, they're overpriced garbage IMHO. The next step up from a well-matched front/rear springrate combo with Koni Yellows is either an H+R coilover integrated damper set, a Ohlins coilover integrated damper set, the Apexi N1 dampers or a set of Koni custom built coilovers. Teins are not all that - was NOT impressed with either ride quality or handling in the cars I've ridden in using them. Oh yeah, don't forget a decent swaybar too. I'm quite happy with the ST rear on my 91 CRX, but I wish I had Konis instead of AGXs along with the integra-rate ground controls. Hope that helps.