Wahey! Nice one.
I had the low cloud set to Q=2 and to 'enable rts' in the Ferrari ones, you might see the shadow of the car through it if you look closely). The first one had AA=6(1/16 samples) and v2 had AA=4(1/4 samples), for pretty much the same results but a little less time.
For Area 51, you might want to change the road surface to a ground-up powder, that's so the security can see anyone coming up the road by their dust trail.
