There are lots of cars in RR3, but I think there is still place for this nice set of cars:
I know we already have a R3spec muscle car, but basically being fake and all alone in its series its pretty boring (imho). Having a nice set of 3 roughly matched Muscle GTs would be fun!
Pipe dream of course: but looking at the transam euro series, I see a great selection of tracks too. Pipe dream, yes I know. Though I would not mind racing them on some classic circuits on the American continent too. (another pipe dream, yes)