At its Professional Developers Conference this week, Microsoft is taking the wraps off its Longhorn Windows, Yukon SQL Server and Whidbey tool suite. Check back here for news from the Los Angeles event. Articles here, here here, here (lots of good info about the new Longhorn features) and here. Longhorn SDK here, screenshots and video of Longhorn from today conference here, Longhorn Tweak Guide, special access to Longhorn/Whidbey PDC release code. Even more articles here, here and here.