PortableApps for your USB Drive

I’ve recently discovered some interesting software that enables you to run programs like firefox, thunderbird and filezilla from your USB drive without having to install the application on your PC. You can take just your USB drive and plug it into any windows PC and still be able to access your application. It’s awesome! I’ve been using it for a couple of weeks now - they even have a portable firefox 3.0 already! Check it out here –> http://portableapps.com/