If your going with entry level coilovers, I personally would save the extra $$ and get the next step up coilovers, one that includes adjustable dampening as well. In any step I'd get, whether it be going with GC's/Koni's, Tein's, or Omni...I require both adjustable dampening, not just adjustable ride height.
Koni Yellows are as GC's will give you both adjustable hieght and dampening, as will the next step up omni's and teins.