Yes I have used it, and I like the fact that it does not turn the trim and rubber parts white. Has a berry smell to it too. On the other hand, Nufinish works better for me at a way cheaper price, but it does stain, so I use the Nufinish on the beaters, and the Ultimate Wax on my Lexus.
I waxed my old white Oldsmobile with Ultimate Wax, and it did a good job on it. Went over the freshly applied Ultimate Wax in one spot with Nufinish, about a 12 inch circle, and the Nufinish had a better shine. Went back over that spot multiple times with Ultimate Wax again, and it was doing nothing to the Nufinish test spot. Anyway, I like them both.