Need to find a Microsoft team blog? Brandon LeBlanc has taken the time to pull together a nice list:
Listed* below are official team blogs from the product teams at Microsoft which are categorized by specific product groups.
Click here to access the Microsoft Feeds Directory where you can also choose to search for a specific blog you are looking for that isn't listed below.
OPML files have been added to each category and hosted through Windows Live SkyDrive. Just click "OPML" by each category title which will take you to a download page on my public Windows Live SkyDrive share set up for the OPML files.