i have never had any of the full coilove set-ups but i have omni drag rears onthe awy and sport fronts. i will let you know what i think of them quality wise. the ride quality wil have to wait since my motor is not done yet. just make sure you do your research and see what ppl that have actually had them are saying.

edit: are you asking about a full coilover set-up or sleeve overs?