Hi Davo,
I rekon it depends on if your a purist and you want it look original or not.
Uunfortunately I don't know what colour the drums were out of the box, but I have seen some pics of really cool looking resto's of late model SB45 with GMH Black drums with the avocado green chassis and red cylinder reel.
Otherwise go with what you rekon.
I dont know of any product that will keep the roller ridges free of surface rust other that frequent use that is. :-)
Andy
