Billy,
I'm sure that you would crush me, but I am interested in doing some mountain biking before the VX run. I'll bring my own bike, so no need for a rental.
Don't really have an opinion on a trail for the VX only run right now. I'll do a little more research and throw my two cents in.
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong, it usually turns out to be impossible to get at or repair."
-Douglas Adams, Mostly Harmless