I finally have completed the backup server at MPL.  Now all of our servers are backed up daily (including the databases).  The backup process runs daily and keeps up to 15 backups for each server at a time.  Instead of duplicating the data all 15 times, the backup process recognizes the files that have changed on the server and ONLY sends those files to the backup server. This saves a ton of disk space.

The backup server is of course a linux box with 2 2TB drives.  I have them setup in a software RAID1 configuration.  This allows for the data to be redundant inside the machine, so if one drive fails the other will have all the same information and be able to take off right from where the other drive left off.  This all happens instantly and the machine never has to be turned off or rebooted.