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

http://johnhaller.com/jh/mozilla/portable_firefox/

__________________
-=| David |=-

not waving but drowning.