I like #3, central location for initial event, AND IMO it should just be open to all body styles, the bigger cars with bigger motors will have some advantages in road course and the smaller cars will have some on AX, etc. Its mainly just fun, a chance to measure one's car, but mainly have fun, with bragging rights as dessert, right?
Being initially over ambitious might sink the whole idea, which sound good.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
