If you use Google’s popular email service, Gmail or their killer Desktop*, I just heard about a cool new feature called Web Clips that allows you to display headlines from your favorite websites (hint, wink) right above your inbox (see below) or in your sidebar.
(*update: I just downloaded Google Desktop (wow) and as a default it adds recently visited sites to your web clips.)
It’s really simple to add a new feed in Gmail. Here is more from the Google help pages.
And here’s a screenshot of my feed in action: