The browser choice screen will arrive via Windows Update. Initial testing is limited to Belgium, France, and the United Kingdom, with a phased rollout across Europe starting the week of March 1.

Windows XP, Windows Vista, and Windows 7 users will either receive the browser ballot automatically, or they'll be prompted to install it, depending on their operating system and Windows Update settings.

The browser choice screen will display a list of the leading five browsers presented in random order: Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Internet Explorer, and Opera Software's Opera. Users will need to scroll to the right to see additional browsers.

Microsoft agreed in December to allow IE users in Europe to , a settlement that ended the European Commission's lengthy antitrust investigation into Microsoft's business practices. Critics, including , had accused Microsoft of hampering Web standards and abusing its power by tightly integrating Internet Explorer with Windows.

IE users in North America won't get a Web browser ballot, of course. But if you did, which browser would you choose? Here's your chance to choose: