Yesterday I did a MSDN geekSpeak on Persistence Ignorance with Entity Framework 4. The recording is now up on Channel 9 and I have a link to the demos below:
geekSpeak Demo Code
A special thanks to Glen Gordan and Dani Diaz for hosting this geekSpeak and asking me to come on as a guest. I had a blast! As I mention in the webcast you can hit me up from my contact form on here or catch me on twitter if you have any questions.