Here. Check out the Longhorn Architecture Diagram and the WinFX Namespace Diagram from the PDC for a look at what we’re building. Also, check out an early snapshot of the WinFS Schema:
http://download.microsoft.com/download/2/7/a/27ab8218-e3d8-4261-b8e4-6ffc7bd8f199/winfsschemadiagram.vsd