Mark I am going to the Badlands Jamboree, this will be my 3rd year there, myself and a few others from northern Indiana are trail guides, it is a great time. Another place you may want to look at if you are on Facebook is
I hope this link works if not do a search in Facebook for "JJUSA-Badlands" Jeep Jamboree has a dedicated FB page for each Jamboree. You can meet with other people that are going and have a chance to talk with some of the organizers fro JJ.
Looking forward to meeting you