I accidentally bought the Sum & Substance Property CDs twice, so I've listed it for $25 on Ebay:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ih=011&sspagename=STRK%3AMESE%3AIT&viewitem=&item=320139997525&rd=1&rd=1 I've been listening to the S&S CDs while commuting to and from work - Property has been especially helpful compared to the others - while Torts and Contracts are familiar subjects from every day life, the terms and history of property law are like a foreign language and not intuitive at all. I'm glad I'm familiarizing myself with the bizarre terms and history before school - and I think it will help in my substantive prep work as well. Just my 2 cents!