One of the changes with the new CTP release of ADO.NET Data Services (formerly Astoria) is that you can create a service against any iQueryable, not just Entity Framework. This is huge.

Roger Jennings points to Guy Burstein's how-to with Astoria (I guess it's time to update my own now outdated posts) and makes the following comment:

"Like Andy Conrad, Guy uses LINQ to SQL instead of the Entity Framework as the data source. I have the feeling this substitution will become universal, at least until RDBMS vendors other than Microsoft deliver EntityClient data providers."

So this bugs me a little. Why? Because the issue is that right now, Entity Framework only works with SQL Server. But hello, what do you people think LINQ to SQL works with? It's called LINQ to SQL for a reason!

Okay, rant over, back to work...