Windows: It's always exciting when a new release of your favorite browser comes out, but if you're a Firefox Portable user, you've always got to twiddle your thumbs a touch longer. Well twiddle no longer; Firefox 3.6 Portable is available for download. The quick-on-their-toes team at PortableApps.com put together their release less than a day after Mozilla's official release, and—like yesterday's Firefox 3.6 release—it's packed full of speed increases, one-click themes, and plenty more.