This might be more effort than it's worth, but maybe adding a wiki to the site would be cool?
If you're not familiar with a wiki, and this might not be the best description, it's a site that allows multiple users to add and modify content in a collaborative fashion. Articles can reference each other. Might be a better way of organizing content than using forums.
Take a look at wikipedia's article on Kiteboarding (redirects to Kitesurfing):