I never knew this was here but the content from DevDays Amsterdam with sessions from my self around ADO.NET Data Services and ADO.NET Entity Framework are all available online up here;

http://www.microsoft.com/emea/msdn/spotlight/event.aspx?id=102

There’s also a lot of great material up there from my former colleague Daniel Moth and some other great folks such as Rafael Lukawiecki, Ingo Rammer, Christian Weyer, etc.

Nice resource.