Bilstein Shocks?

Has anybody tried Bilstein shocks on their Dart/ A-body?

Mine has a set of "cheap" Gabriel shocks that I bought many years ago as an emergency replacement for the completely dead shocks that came on the car when I bought it.

Now that I have replaced all bushings and links in the front suspension, added adjustebla strut-rods and slightly stiffer torsion bars, I'm thinking that there might be further gains to be had by replacing said shocks.

I see that firm feel sell Bilstein shocks from my Dart, and from what I understand, Bilstein shocks have digressive dambing valves, i.e. valves that gives less damping of fast motions like bumps and potholes, and more damping for slower motions like body roll etc.

To me, this sounds very favourable compared to conventional shocks which are progressive, i.e. get stiffer the faster the motion.

The Bilstein shocks are not the least expensive available, so I would be very much interrested to hear if anybody have tried them and in what way they changed/ improved the handling and ride characteristics.