i use pole, tap water, tfr sometimes (to be honest i really dont think it makes any difference) upvc cream cleaner, solvent cleaner on stubborn marks, and thats it really!!
Yes i do have before and afters, but im not putting them up as yet cos they are for my web site in the new year. There are some on here on previous posts if you can do a search.
I offer my custies a discount if they allow me to take piccies for my site, im ex sales (timeshare, 2nd hand cars, advertising) im a nice chap really...lol., so always throw an incentive in so they can save some money!!
Ronnie, next year if you want, come out with me when i do some cons, not seen you for ages