http://www.robfrankel.com/news.html
Excellent Reading, Read all of the articles!!

http://interking.com
Free Classifieds

http://www.jayde.com
Award Site, good traffic builder

http://tools.seobook.com/
Search Engine Tutorial explains, how to design your pages, keeping the search engines in mind, and why it is necessary to do so

http://www.targeting.com
How can Target Marketing help you?

http://www.o-a.com
Online Advertising Discussion List