Backing up drivers

http://www.pagestart.com/win7bckuprstrdvd071910b.html
http://www.petri.co.il/where-to-save-your-windows-7-bac...
http://notebooks.com/2009/10/24/how-to-backup-your-inst...
http://aps2.toshiba-tro.de/kb0/HTD7C02140000R01.htm
A note of caution if you decide to use Windows 7 backup: If your hard drive fails you can only restore to a drive of the exact same size. For example if your current drive is 750GB and you use Windows 7 backup then you can only restore to a 750GB drive. I know because I made the mistake of using Windows 7 backup and tried to restore to a smaller disk, even though there was plenty of room for the restore, and it failed. I would recommend using something other than Windows 7 backup for a good backup.
This might be a good free choice: http://www.easeus.com/disk-copy/home-edition/