Ted Neward and Danny Simmons of the ADO.NET team discuss the Entity Framework, ORMs and OSLO

ADO Entity Framework can be used in ASP.NET as well. There are only minor things to keep in mind. The EntityDataSource makes using an Entity Model in ASP.NET much easier. This video demonstrates how to use Entity Framework in ASP.NET.
http://msdn.microsoft.com/en-gb/vcsharp/dd565859.aspx

With any new technology, performance implications are important to consider. If you want to get the best performance from Entity Framework queries, you should use the Compile function of the CompiledQuery class. This video demonstrates how to use compiled queries in the Entity Framework.
http://msdn.microsoft.com/en-gb/vcsharp/dd565858.aspx

ADO.NET Entity Framework is an object-relational mapping (ORM) framework for Microsoft .NET. In this video, Todd Miranda explores how to use the Entity Framework to access and manipulate data from a database.
http://msdn.microsoft.com/en-gb/vcsharp/dd565857.aspx

Tiw webcast shows some exciting new features that turn LINQPad into an essential tool for writing and performance-tuning Entity Framework queries.