Thanks to everyone who came out last night (73...a great showing considering the start of Memorial Day weekend and the Indiana Jones IV opening) to CONDG for my Entity Framework presentation . We had some great questions I didn't know the answers to which I'll investigate and respond to soon. Is there a caching mechanism for ObjectContext? Thinking of this in a web (ASP.NET), disconnected between request/response environment. Is the conceptual, mapping, and schema XML loaded up all at once or is the XML representing entities loaded up individually upon instantiation / use? The EF wizard interrogates the physical data store and produces the 1:1, Type per Table initial EDM. Is it possible to model the EDM first leveraging it to generate the physical schema? Referring to this performance comparison between the traditional Sql Client, Entity SQL, and LINQ to Entities, what's the break-down of time consumed? The ADO.NET team posted a follow-up with the break-down here . Grant...