Can you provide a little more about what to expect at these events? I was tempted last year but after talking to a couple of people these seemed geared more to introducing people to track events than for experienced track day drivers.
Your interpretation is correct - while we welcome experienced drivers (and have an Advanced group to accommodate them), the "target market" is someone new to motorsports; someone who has purchased a neat car, wants to do something with it, but is not sure where/when/what/why/how.
For the Advanced group, the driver's meeting is not mandatory - just a quick rundown of timeframes and passing rules and zones at 4pm. All passes are done by point-by; the "passee" initiates the pass for the passer. We limit passing to three zones @ HPR - between 16 & 1 (start/finish), 3 and 4 (big straight) and 6 & 7.
We do typically only run the "south" course, excluding 9a-12, using 13s to get back to start/finish. I'm working n the possibilty of full track - it really comes down to cornerworkers.
Un/fortunately, our attendance is fairly light - typically 14-20 cars. In that case, we sometimes only run two groups - Novice and Intermediate/Advanced. With only 7-10 cars on the track, passing is actually pretty minimal, unless a much faster car (more motor) is behind a slower car. We wish we had greater attendance, but for someone looking for inexpensive track time with little traffic, TNiA is a great opportunity.
We do *not* allow true race cars, and convertibles are subject to the track's rules - in a nutshell, most convertibles need SCCA-legal rollcages, and Elises/Exiges are not "convertibles."
Open Lapping Days Information - High Plains Raceway
"True race cars" are SCCA/NASA/WRL cars with a logbook. Ross Carlson, from here, brought his Exige out. That's not a true race car. The exclusion of race cars is to prevent actual roadracers using TNiA for testing/practice. That's not been a big deal at HPR, as they often have inexpensive track days - in other parts of the country, though (coasts, mostly), getting an hour on the track for $150 is REALLY REALLY CHEAP, and very attractive to road racers needing more seat time/testing. We don't need spec Miatas bump-drafting the guy who just got a new Evora down the front straight.
So, yes, TNiA is aimed at people new to the game, but more experienced people are certainly welcome. We've had more than a few, not one has complained that they felt held up/limited - all have had a great time.
I hope that answers some questions, and certainly FAR more detail at www.tracknightinamerica.com