Most of the meets I've heard of are put on by Nationwide or 1320. I can't really speak to how good they are, but those are the popular ones. I think they mostly go down somehwere in Aurora. I know KBPI has been putting on some meets on saturdays.
Sold - Black 2000 Mustang GT, gone but definitely not forgotten
- Silver 2007 Corvette
Current - DHG 2001 Bullitt