PC World posted an article about making your browser start screen look like Windows 8

Microsoft gave a taste of what you can come to expect from Windows 8 at last week's BUILD conference. The most obvious change is a new touch-friendly user interface known as Metro. If you want to try Metro for yourself, you can developer preview of Windows 8, or wait until the final release candidate arrives. Or you can get a taste of it by installing an add-on for your browser

EIGHT, a plugin for Firefox, Chrome, Opera, and IE 8 offers up a Metro-inspired interface for your browser's start page.

  Make Your Browser Start Screen Look Like Windows 8