A short Channel 9 interview with Anders, with some ideas on what he'll be doing at TechEd. Mostly introductory stuff, but it's always good to hear Anders speak. If you've never seen him explain generics, you should definitely watch this.
On of the phrases that Anders uses is "Thinking deeply about...", and I think that's a good description of what a language design team does (or, any good design team) - thinking through all the ramifications of what a change means. How does it affect the syntax? Is the language still parsable, or does this feature add ambiguities? Can you do decent IntelliSense on it?