Some of the local ACA meetings are pretty old, 15-20 years. They have readings that aren't read in meetings that were started more recently. I've posted some of them in the ACA Cosponsor LJ.
ACA Bill of Rights
Three Obstacles to Success in ACA
I have nicely formatted PDF and MS Word files of these. Comment if you'd like me to send them to you.
Update: Fixed the first link.