I've used it, and I don't care for it. It's a cheaper line that Dupont offers, mostly for the used car jockeys I think. It doesn't handle as well as their higher lines, and seems to take longer to setup, leading to more dirt, sags, and runs, especially for a hobbyist. Try it on the undercarriage, or floorboards/trunk (interior) to save a few bucks, and make up your own mind.
All said and done, IMO, after all your hard work, the topcoat is no place to save a buck or two. Dupont Centari is still a great choice for a single stage job, or their Chromabase/Chromaclear system for a two stage job.
Charlie.