If you love Firefox 3 and like the refreshing look of Google Chrome, you can have the Google Chrome look alike theme for Firefox 3.
Chromifox is a theme for Firefox 3 inspired from Google Chrome. It has the refreshing look of Google Chrome with slick UI and polished tabs. Chromifox is available for Windows, Mac and Linux. Chrome is not available for Mac and Linux but you can have the look of chrome in Firefox 3 with this theme.