I use Starbrite PTEF Polish with Teflon on the Rosborough. We have a tough time with soot from the local coal powerplant settling on the boat. This stuff seems to make it easier to wash off the soot.
http://www.defender.com/product.jsp?...1453&id=939453
I also like the deck cleaner made by Starbrite. It seems to work better then Woody wax.
http://www.defender.com/product.jsp?...1454&id=207273