Anyone use Air ride tech "street challenge" system? and/or shockwaves

[68SWB4x4]

Yes its expensive, It would be going on my 64 impala btw but I know everyone here knows what they are talking about. I need new control arms anyways as I lost one of mine. I want something complete that is fairly bolt on and will give a good ride. I think I might even do some driving around Laguna Seca someday so I would like to it to perform as well.

Cost isn't a major concern but if there is something similar out there cheaper than saving money is never a bad thing.

Thanks