I used blackfire wet diamond and top coat it with pinnacle souveran. A local dealer had some nice prices and gave me a good deal on a bunch of stuff. Blackfire is a polymer that mimics the depth and glow of a carnauba, and the pinnacle, after a few coats, mmmm, silky.
Ive used Zaino in the past and had a 2003 mustang that looked beautiful, super shiny. But, IMO, that car had alot of hard edges and the Zaino really accentuated them. Our Z is smooth and curvy and to me, is better accented with a carnauba. Again, just my