This one seems to be the most useful. The Newsmagazine of the Economy. A good way to follow news on specific companies. Musings from a senior engineer at Compaq. Email notification when a new edition is available on the Web.
Email contains links to a variety of articles on the Red Herring site.
Good way to keep up with the site without having to visit. Hardcore technology stuff. Commentary plus links. Good e-commerce commentary. He writes for InfoWorld, and the column appears there as well.