Prizefight: Battle of the browsers

You thought you had the browser face-off signed and sealed until Google introduced its fleet-footed Chrome browser. Has it been enough to change the game?

With help from CNET Download.com's Seth Rosenblatt and Webware.com's Josh Lowensohn, CNET's Brian Tong takes Internet Explorer, Firefox, Safari, and Google Chrome through a rigorous four-round contest--to determine which contender makes all-around champ.

Sorry, Opera, looks like you're sitting this one out.