Internet Marketing Internet Marketing Developing a web strategy 
This excellent article from Real Business, full of useful hints and tips, will help you think about your strategy.
Web Marketing Today
Absolutely excellent newsletter & website, all focused on web marketing. Start with their useful checklist "Web Marketing Checklist: 27 ways to promote your site"
At http://www.wilsonweb.com/webmarket/ you'll also find links to thousands of on-line articles about effective Web marketing and to on-line resources for business. Their Dr Ebiz newsletter is aimed especially at smaller businesses.
E-mail marketing
Once you get visitors to your website, you might want to secure their e-mail address and their permission to e-mail them your newsletter, occasional updates, or new product information. Find out more from Web Marketing Today. Most of us spend far more time processing e-mail than we do surfing the web, and smart marketers are taking full advantage of that. Some good E-mail marketing articles and E-mail marketing case studies from Clickz. Or try the Workz site. Further articles on collecting e-mail addresses from clients can be found from two different issues of Dr EBiz(1) and Dr EBiz(2)
Larry Chases's Web Digest for Marketers
Free weekly e-mail newsletter featuring short reviews of marketing oriented websites.
Online Publicity Resources
A useful set of links from Search Engine Watch.
Art of Business Web Site Promotion
Practical information from Deadlock Design.
Clickz
Short items every day looking at new aspects of web marketing. Rather jargon-laden, but very useful indeed.
Workz.com
An excellent resource site for small businesses that want to create and market a company Web site.
Internet Works
Internet magazine aimed at small business which includes some excellent marketing articles.
Internet.com
News stories, including business aspects and website development.
Marketing Terms.com
This comprehensive internet marketing dictionary not only provides definitions and standard information about internet marketing but also hosts links to a large collection of related web-based resources.
Nua Internet Surveys
An excellent website which carries a huge range of reports and research into Internet trends. All the information is free and you can subscribe to their weekly Internet Surveys Newsletter.
CyberAtlas
CyberAtlas is the Web marketer's guide to online facts, Need to know how many people use high-speed Internet connections? This is the place. How about the number of online users in any one of more than 50 nations? Look no further. The site provides readers with valuable statistics and Web marketing information, enabling them to understand their business environment and make more informed business decisions.
Internetstats.com
Points marketers, entrepreneurs and professionals to websites that have the business & market information, statistics, trends and news they need.