From Cyclone Components:
USB Suite is a five-pack of useful tools offering security and extended functionality for any USB Flash drive, portable hard drive, iPod or MP3 player. With USB Suite and a USB Flash Drive you can travel even lighter. In essence you can leave your laptop at home and securely handle all of your tasks from any accessible XP computer. Simply plug in your USB drive with USB Suite loaded on it and begin using all of your IE Favorites, Outlook 2003 inbox and folders, and Internet passwords and logins. Then return to your home or office and synchronize it all.