I always use "Wonderwheels" alloy cleaner on my alloy wheels. Recently I bought some "Wonderwheels" super resin polish for the paintwork. It has proved to be excellent. I know that "Autoglym" resin polish is one of the best, if you use "autoglym" sealant afterwards. The trouble is I just don't have the time or regular good weather to apply two types of polish. They did a test with polishes in "AutoExpress" not so long ago. The "Autoglym" pair did very well; the only drawback was the price. It proved to be an excellent product.