Not sure this has been mentioned, but get to the vendors on Friday if you're looking for moto-goodies. Always lots of good deals, and the chance to slobber all over gear you probably won't find back home, but things get pretty picked-over by Saturday afternoon.
I live less than 20 minutes north of the track, and I always have a houseful of buddies from the vintage Suzuki forum. Good times.
Motorcycles on Meridian downtown can be some fun people-watching.
1983 Suzuki GS850G, Cosmic Blue
2002 Suzuki Vstrom DL1000, Midnight Blue
2005 Kawasaki KLR685 - Turd II.2, The ReReTurdening
"Do not crinkle your food wrappers loudly. Be considerate to others, or I will bite your torso and give you a disease."