How about a nice rich dark solid grey?
Something like this comes to mind:

Or of course:

 

I know you might be looking for something more flashy, but I could imagine applying some details in a contrasting flashy color would make for a nice, subtle yet striking presence?

Oh, wait:

So I guess the grey will not meet the "not done yet" requirement... :'-(
However, if you could make the decals in 997 RS green, and change them to the original lettering ("Carrera"), that would look lovely I think!


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Porsche, seperates LeMans from LeBoys