I would say that a pit lane mixed with RMS and digital would be really the best thing that you could do to slotracing.
If you see how things go down at Le Mans during the 24 hours, the pit strategy is a vital component to the race. If you could simulate that then you're OK.
In-line pits (RMS v1.0) don't work. As Matt says, imagine a pit lane that would cut the current and hold cars in...