Most of these are to do with 9/11, but there are also copies of "The Power of Nightmares" and "Terrorstorm" available. Only $2.50 a piece and that includes shipping!
Check it out here:
http://www.911truthdvd.com/dvd.htm
This is a great tool for anyone that wants to get the word out. These people are fellow activists not out for profit, just covering their costs trying to spread the word. I have several. A friend bought dozens and takes them to all the events and passes them out.