I still think this test best shows how
little the difference is between the look of waxes on a
well prepped panel. It also reinforces the fact that beauty is indeed in the eye of the beholder.

rops:
Big Wax Test - Looks Results - Full Review - Detailing World
Dave KG's blind test is important precisely because it was an impartial blind test. Its results need to be duplicated by further blind testing, but it provides prima facia evidence that the differences between waxes really are minimal if non-existent.
We see what we want to see, what we need to see. Is it surprising that if a person invests in an expensive wax, he will believe that it gives a better look at a $12 bottle of Meguiar's Yellow Tech? This happens not just with waxes but all sorts of goods--clothes, audio equipment, beer, etc.
During the past two years I have tried on my black car Gold Class, NXT, Reflections, 845, Harly Wax, Fuzion, Souveran, Best of Show, Vintage, and Wet Diamond. Not bad, eh? And you know what, I like them all! Could I see differences? Maybe, maybe not. I think I like the Vintage best, but I'm probably fooling myself because it's the most expensive wax I will probably ever try. I will say that I really like the slick look of Wet Diamond. Here's my current favorite list:
1) Vintage
2) Souveran
3) Wet Diamodn
4) Fuzion
5) Best of Show
6) Harly Wax
7) Reflections
8) NXT
9) Gold Class
But I bet in a blind test I couldn't distingiush any of them! In a blind test I'd probably end choosing Gold Glass as my favorite. How embarrassing would that be!
A group of detailers here in the U.S. need to conduct a blind test along the lines of Dave KG's. What carnauba waxes might we include? How about: Souveran, Fuzion, Victoria Concours Red, M26, Natty's Blue, Midnight Sun, and Collinite 915. Take up the challenge!