While I'm waiting for Scott to send me his 20" hoop, I decided I needed a back up plan in the event that did not work, so I ordered this, looks like it will do the job . Just take the floor tom and set it up on this mount system, this was the only lift kit I saw to accomodate a 20" floor tom.
http://www.drumfactorydirect.com/index.php?main_page=product_info&cPath=85_359&products_id=3539