With proper shocks that can handle the spring rates, the ride will be fine. If they use crappy shocks w/ stiff springs, then it'll ride seriously rough. Ride also depends a bit on your ride height. If you're constantly hitting the bumpstops you'll have a jarring ride, but if you keep it high enough to stay off of them, it'll ride much better. I know that last 1 from experience in the miata lol