opinions on my trade for coilovers

i was hanging out at my buddys shop and one of his friends came in complaining of his crappy ride with these Skunk2 coilovers he has. Me wanting to upgrde my suspension (i have a Eibach Prokit and KYB struts) for drag purposes because the spring raes are jsut not tight enough and I get some major saggage in the rear when i laungh hard. Anyway I offered to trade the prokit for his coilovers even up and he acceped. 2 hours later we had swapped the sets and he wasnt kidding they are tight. So basically my question is have any of you guys had any experience with the Skunk2 coilovers at the track? Do you like them or do you think they are over rated? Remeber they are being used strickly for drag racing purposes and i dont care how they will ride on the street.