**UPDATE** Download recordings of my .NET 3.5 demos and sample source files here . Daniel Egan's blog here. Tim Heuer's blog here.
1. Intro deck - this deck is displaying strangely in the browser, download the deck so that you can see it as it was designed. Also, note that I've put a ton of links into this deck, particularly around the community events. I think this will be useful for many developers who attend Tuesday's launch presentation.
SoCal MSDN Launch » SlideShare
2. Here's the deck from the section of the talk that I will be doing- "What's New in the .NET Framework 3.5" - Enjoy!