There are some fantastic looking wire wheels by Renaissance and Sakatsu at mediamix hobby.The only problem is they probably cost about 3 times the price of the Airfix kit.Have a look using the search box.
http://www.mediamixhobby.com.sg/cata...p?currency=GBP
You could try Hiroboy for the paint.He could probably mix up the exact colour for that DB5.