its a nice feeling to have a nice clean car

Collinite 476s is a good wax, have a search for it on Detailing world there is plenty of results for it

If you do opt for it, just put it on very thin, leave it a little while to cure, lightly rub a finger on it and if it comes away leaving it clean it ready to buff off with a plush microfibre

Then apply a second coat a few hours later to get the max protection and a wet gloss finish

With your RRS been black, have a chat with JKP on Disco3, he sells Dodo Juice products and could recommend one for you, with a forum discount. Dodo Juice Black Whole comes to mind