I wonder if Georgia's PINES libraries would make a good model for other states:
http://www.georgialibraries.org/public/pines.php40+ million books and other media loaned each year and 10 million things to loan. All with a single library card at almost any library. They're even talking about adding Kindle books to the collection.
http://en.wikipedia.org/wiki/Public_Information_Network_for_...
http://en.wikipedia.org/wiki/Evergreen_(software)