Commentary: Avalon and XAML Great for Developers, But...
At the Professional Developer's Conference, Microsoft showed off some of the technologies that will make up the next version of Windows code-named Longhorn (due out in 3 years).
And there's some really exciting stuff from a developer's point of view. There's so much to digest that it's hard to get handle on exactly what all the goals are. This is my interpretation of events but I think they're pretty on target in this case.