RockPick, the oil in paint thing I feel is pretty controversal. There are a lot of different opinions out there.
People do use synthetic wax and sealant interchangably, however, they are two different things. I think they are used interchangably because many people dont realize theres a difference. Here is a good read,
http://audizine.com/forum/showpost.p...29&postcount=3
The reason I thought you should discuss the different grades of clay is exactly for the reason you mentioned. Tell people to use a less aggressive clay such as Pinnalce Poly, Sonus Green (which isnt made anymore), Mothers, Swissvax, etc. Say more aggressive clays, Clay Magic red, Megs Red, etc.
Here is a good video on how to wash a car,
http://video.google.com/videoplay?do...arch&plindex=0
The guy who polished by hand, what did he use and did he do an ISO wipe down after?