Kent Sharkey posted a link to a study showing how people scan web pages. This is really interesting from a usability perspective as it gives indications as to how to improve the design of your pages to more easily highlight information you want users to take notice of / make the site easier to use. The site also has a bunch of hints on these items as well. The graphic below is one of the most interesting bits to me, shopwing what areas were given what priority on news homepages...
