Mozilla's second alpha of Firefox 3.1 is upping the ante in the next-generation browser battle. So how do the main contenders stack up so far now? One thing's for sure, the Firefox team has taken note of Google's recent Chrome release and worked hard to make sure its offering can hold its own. <More> http://www.pcworld.com/article/150828/browser_battle_firefox_31_vs_chrome_vs_ie_8.html