Pauly6401, thanks for the tips. Even that last track I had required a lot of effort to keep it decent... so I guess I'll do what it takes ;-) I don't know how much money I'm willing to throw at it - I'll take it as it comes.
petevette, yeah I had some of the crew over that day... we had a blast. I built a drivers stand (which I gave away):
... and we even had several pit tables: