Portable Firefox is a fully functional package of Firefox optimized for use on a USB key drive.

It has some specially-selected optimizations to make it perform faster and extend the life of your USB key as well as a specialized launcher that will allow most of your favorite extensions to work as you switch computers. It will also work from a CDRW drive (in packet mode), ZIP drives, external hard drives, some MP3 players, flash RAM cards and more.

Latest Changes:

• Updated to Firefox 1.0.2
• Added ability to pass additional commandline parameters
• Disabled Firefox update notification

From BetaNews