When Microsoft announced Windows Phone 8, they showed off Internet Explorer (IE) 10 for mobile, and highlighted that their still-in-beta browser scored better on SunSpider JavaScript rendering speed tests than Apple's still-in-beta browser, Safari for iOS 6. Now Daniel Rubino over at our Mobile Nations sibling site, wpcentral, have put together some more information on the Windows Phone vs. iOS beta browser battles, and painted a fuller picture.