Academic Longhorn
Focused towards students who are interested Longhorn. Includes news, a forum, links, and articles.
CNET News.com: Longhorn goes to pieces
CNET article which reveals that WinFS which is an add on to the Windows file system will not be fully included in the final release.
Longhorn Developer Center
Official site about product development. Includes product information, news, tools, and code samples.
Longhorn In-Depth
Extreme Tech's review which examines the 3D user interface, desktop windows manager, and the new Internet Explorer.
Paul Thurrott's SuperSite for Windows: Longho
News, reviews, product screenshots, facts, and video clips of the operating system.
WindowsDevCenter.com: A First Look at Longhorn
Wei-Meng Lee's review of second build for the Longhorn operating system. The review includes screenshots and comments about some of the new features.