Hydrogen is a relatively new project of mine, and I don't really have any major details on it yet, except what is quoted from the projects page below:
Ever had to reinstall XP/Vista? Or moved to another machine? Find it really annoying that you lose all your settings in all your programs and have to spend hours setting everything back up again?Hydrogen plans to solve all that by allowing you to easily backup the settings from your programs*, take a single file with you, and migrate them all to another computer or a reinstallation of XP/Vista.*Program support permitting