I go with a friend every year so I'll do my best to be there I might buy into the BMWCCA car corral but I'm not sure if I feel like doubling the price for the day to get a better parking spot.
The main reason I buy into the Corvette corral is because they have TVs in there, and food. Eventually we get tired of walking around the track and need a shady place to chill for a bit.