Thanks for this great tool! I am planning on creating a webpage for people who cache with younger children, including improved difficulty ratings in regards to bringing children, as well as public transportation access, caches you can do by bicycle, rollerblades, etc, and some other factors. Someone else suggested I consider doing a difficulty rating for disabled cachers, and I think I'll link to your page as a resource for that. Also, perhaps you could look at integrating your output into a numerical system like Geocaching.com uses for each rating area. Have a breakdown of what a "2" means for a cache area rating to a disabled person, and then they can figure it out without having to post a huge amount of HTML on a page.
-TeamWidget