Recently I received an e-mail from izzit.org that sounded interesting.  I haven't received my free DVD yet, but I put in an order for one.  Here's the info on how to get yours:

Join izzit.org and receive one free DVD per year! No obligation to buy anything. Ever. What's the catch? There is no catch... read our FAQ. It’s easy. Just visit http://www.izzit.org to get your DVD with no cost or obligation. Choose from over 20 high-quality DVD titles with no cost or obligation.  We do the prep work, prepare questions, worksheets and more!