Weekly newsletter with "tips, tricks, and other information you need to make the most of your hardware, your software, and your time online," with an emphasis on Windows features, bugs, updates, etc. Can subscribe for email push.
Find reasonably accessible help for many Microsoft products here. Of special use are "Troubleshooters" in the menu on the left, and "Ask Maxwell" (the photo in the middle).
Shows a constantly updated list of the latest software available for your computer, including Windows drivers. Sites also available for Macs and Palms.