I already received some kind words from a number of people who enjoyed the screencast. Thanks for that!
I created a new screencast that shows how to use the Enterprise Library 4.0 Data Access Application Block with Unity:
It essentially is a walk-through of the recent tutorial:
In the screencast I also jump into the DataAccessBlockExtension and show you what it is doing under the covers in relation to the EnterpriseLibraryCoreExtension.
Hopefully you find the screencast useful. Ejnoy!