Julie blogs about it. And Julie is *THE* EF Goddess. http://thedatafarm.com/blog/data-access/a-big-step-for-stored-procedures-in-ef4/

>Last year when I was learning Silverlight.
>
>EF would basically ignore stored procs when I worked with it. There were several steps involved to add each existing stored proc to the model and the domaindatasource (digging through miles of code, and keeping most in seperate partial classes to keep EF from overwriting if the EF interface was used again). A real PITA.