one of the most popular
I had one for awhile, relatively easy to setup and use and a great support forum to help
check with http://www.forwardweb.com you can easily have the latest SAFE and SECURE bulletin board with a really good search engine (unlike this one)
I've been using Forward Web for five years for 15 web sites with only minor problems that were quickly handled.
Foo! I thought I was going to find where to locate a good website with hints for hanging drywall!
A little BASIC, but you gotta start somewhere......
http://simplemachines.org has one you can host that seems to be more secure than PHPBB (from my experiences running both.)
Westhost has good, cheap packages, as little as $3.95 a month paid two years paid in advance, $4.95 if paid yearly. They have phpBB (a good, full-featured BB system) and a bunch of other standard applications you can install and uninstall through a web-based interface. You also get a virtual server, so you can create and delete user and email accounts at your leisure.
I've used them for a very long time, and recommend them. I won't even tell you who I am to get the referral credit, just suggesting on merits.
My brother, Ike, is in the process of developing a site similar to FR for South Carolinians. Is this what you meant?
Let me know if you'd like his contact info