Steve-
I think it will depend on the track. At Trackside & World of Hobbies, I'd expect the RWD cars to be very popular, same with Memphis- all three tracks had pretty enthusiastic RWD contingents that only in some cases took out their FWD cars. As you know

RWD can be faster than FWD at Trackside, anyway. And with a 21 tooth pinion, the cars will be faster at the tracks with long straights.
I'll be sticking with my FWD shortie for now.
Later
Doc