There's a few more Longhorn concept videos posted - they are pretty cool.
How can Longhorn's new platform technologies help you deliver solutions in your particular industry? Watch video demonstrations as Carter Maslan from Microsoft's Platform Strategy and Partner Group highlights some of the work being done in various industries to create a new class of connected applications. See how the Longhorn Fundamentals, Avalon, WinFS, and Indigo pillars combine to help you coordinate end-to-end business processes across organizations and systems.
And don't forget about the Longhorn Readiness Program for ISVs. Sign up now if you haven't already.