Here is another article from Digg.com highlighting some effective web design techniques. I'm stockpiling these for the next time I have a new project that requires a new face. This one is particularly informative since it gives examples at the beginning of how users use the web and then shows how you can take advantage of that. From the article:
Since the visitor of the page is the only person who clicks the mouse and therefore decides everything, user-centric design has established as a standard approach for successful and profit-oriented web design. In order to use the principles properly we first need to understand how users interact with web-sites, and how they think.