black wow, PB wheel sealant in another thread... sounds like someone knows how to clean a car! 
if you get the new sills the black wow will bring everything else up to match... did the same with mine and it was all gravy
Cool - I'm off to the dealers (not literally, I'm at work atm..).
I know a few bits about cleaning - but I'm only just beginning

I've got a Megane that is for sale that has had real love and time spent
http://www.pistonheads.com/sales/676697.htmI've really got to resist the temptation of sending the Golf to the bodyshop for a total re-spray and watch all the money I spend disappear!