MojoPac is portable application that installs on USB or Ipod and takes your all your documents, applications, passwords and settings.
Just plug it on any PC using Windows XP and login in it and you will have all your PC configuration available.
It will be no problem if you are using a public PC because all settings including passwords are saved on MojoPac flash drive and nothing is left over, when u unplug the it
Note: You must have 256MB Flash Drive
You can use MojoPac Free