skunk2 and tein ss are on the lower end of the scale, mostly for street use...
skunk2 coils arent damper adjustable, just height, and tein ss arent firm enought for me
buddy club are way more expensive and mostly used for track racing...however if u can put up with the very harsh ride they are ok for street

i've got D2 coilovers in mine and i use the stiffest damper setting, on the street its not that bad, but i do like the firmer ride...