If you’re not using Firefox, you should be. Compared to internet exporer or any of the other browsers, this program offers incredible easy to use features, fantastic spam filtering and lots of cool plugins. Plus, it’s free!
They just released a new version, and it has some really hand features, including Fontfinder (helps you identify and grab fonts you like on a website), Colorzilla (an advanced eyedropper that helps pick photos. My favorite is ScreenGrab, a tool that lets you select and copy any section of a screen shot.