The ASP.NET Connection show in Orlando was a fantastic event. Thanks to everyone who came to a session. Here are the slides and demos for everyone who asked for them.
LINQ is inherently more about productivity and expressiveness than performance. We talked about how to avoid unnecessary performance penalties with LINQ, some non-obvious optimizations, and the first optimization you should make - optimizing for readability.
A little Blend, a little XAML, a little Visual Studio.