Two really useful pieces of programming code:
MozBackup does Backup your Thunderbird, Firefox, etc Installations (even with commandline parameters (use it with rsync!!!)) under windows.
http://mozbackup.jasnapaka.com/
Rocketdock is one of these new stylish docking bars as known from MacOS X. Together with the addon "Stack Docklet", this thing is REALLY useful to get your shortcuts organized and handy under windows (2000, xp, vista, 7)! ^.^
http://rocketdock.com/
Enjoy and have a great day,
Nico