Zaino is the gold standard. For testing done on Zaino, Meguairs, and Zymol see:
What a sh*t test that was. This guy doesn't know what the hell he's talking about. I have heard good things about Zaino on the Z06 forums and I'm going to try it yet, but this test doesn't mean anything to me and I'll tell you why.
He's comparing what appears to be a polymer based wax to a Canuba based wax. The Polymer based wax will protect your car longer and be more durable, but it gives you more of a surfacy, less deep and sort of fake looking shine. The Carnuba gives you a much deeper and 3 dimensional shine. The problem is that the Carnuba doesn't last as long and has to be applied more often. This is all the guy is testing is the durability of the wax.
Also.. Why even bring that Zymol, Pep Boys polish crap into this test. That stuff is aweful. They brought it on the market when Zymol was purchased by Turtle Wax. The original owner may have control over the original Zymol products (I haven't seen a difference in quality), but this $20 auto parts store stuff is junk. Once again, this stuff is a Polymer based wax and doesn't have hardly any Carnuba in it. The stuff stinks too.
I've used everything here except for the Zaino. I personally use a product called Pinnacle and like it better than the original Zymol. I feel that they have a better product that's easier to work with and apply, yet it's less expensive. The packaging isn't as nice as Zymol, but I'd rather pay for the product, than packaging. The Carnuba rates for even their Paste Glaz is higher than the Concours wax by Zymol and about half as expensive. The Paintwork Cleansing Lotion (cleaner) blows Zymol's HD Cleans (too greasy for my tastes) out of the water and is much, much easier to work with than any Meguires product.
Now.. Where Zaino might have an advantage is that they seem to push the entire system with the clay bar and polish. Sure, you're going to get better results if you use a clay bar, cleaner, polish and then follow it up with a Carnuba wax or Polymer wax. I personally use a clay bar and the Professional hand polish from Meguires in between cleaning and my coat of Carnuba. I get fantastic results. My point here is that you can't compare a section that is cleaned and waxed to a section that was cleaned (with paint cleaner), clay barred, then polished, then waxed. It's just not a fair comparison.
Ok.. I'm not tearing apart Zaino here, just in case you're wondering. I'm going to try it this spring and see how I like it because I've heard so much about it lately. I'm just saying that this guys testing procedures blow.
As for the Meguire's kit here.. It's probably a decent kit. I use a lot of Meguires polish to remove scratches and imperfections. The Medium cut cleaner is great for removing anything that isn't through the paint. Some guy keyed my friends car once all over the door, but didn't go through the paint. I was able to get all the key marks out by polishing it with the Meguire's medium cut cleaner, followed up by the fine cut cleaner and then the swirrel remover. It's not the easiest stuff to work with, but it's a nice product and readility available. The Meguire's professional stuff is great, but you can't find that in your Pep Boys. I'll use this polish right before a coat of Pinnacle Souveran on a black car and you'd be blown away.
My point with the Mequire's is that the price is good and it's a good product. If you don't know anything about car care, get this kit to start. It's cheap and you should get some pretty nice results. Especially if you don't have a dark color car (black) or bright color like red or yellow. The other colors are much more forgiving of what you put on it.
I wanted to add one last thing. Many people have the misperception that the wax is what makes your car shiny. It isn't. All the wax is meant for is to protect your finish and enhance the shine. I know guys with show cars that only use a cleaner and polish and don't even put wax on their car. If you have a climate controlled garage and your car is never in the elements, there is no point in putting wax on your car. The key to great results is in the paint prep. A great cleaner is the foundation of your finish preperation. Heh.. When I detail cars for people and they see the car before it's finished, they usually say that the car looks great with the wax. I tell them that I haven't even waxed the car yet. I'm still cleaning it and they just shake their head. If you don't have good paint preperation before the wax or polymer protectant, forgot about it looking good. That's my problem with Zaino as I look at it. Zaino pushes a more extended paint prep system and if you did these many steps with another car care system, you'd get much better results too.
Anyway.. I'll stop talking now.
😉
Sal