.NET University has a variety of presentations available for download, including code examples and videos. Use the materials to learn or to present at your next DNUG meeting ;)
The presentations cover a variety of different topics, so if you’ve already got a presentation planned and you just want to compare, be sure to check’em out. All the popular topics like Silverlight, WPF, WCF, LINQ, and ASP.NET MVC are covered.
Instant presentations, just add presenter.
http://www.dotnet-u.com