There has been a lot of good info posted up by everyone. It sounds like you just need to try it and see for yourself.
My question and not to jack the thread but what is the difference between Z2 and Z5. I'm going to take the plunge and try Zaino, I always have but never did it. I guess I'm bored with the sealants and waxes I have now. Don't get me wrong I love
Wolfgang,
Pinnacle, Natty's, and P21S.