So, since I posted about the ribbon club, people have been sending me info on all the other ribbon clubs. Here's a list if you are interested:
Little Red Scrapbook (a TN based company)
Great Ball of Fiber
3 Scrappy Boys
Fibers By The Yard
Also Scrap Candy has a good selection as does Impress Rubber Stamps, although they don't offer clubs.
For exotic and beautiful, check out The Ribbon Jar and JCarolineCreative.
For larger quantities, dive in to JKM Ribbon.
(Check back here as I'll keep updating this post with additional ribbon sources.)