The NetTech backup is a daily/weekly backup script that allows backing up a Windows server (using NTBackup), as well as Sharepoint and VMWare virtual machines. The plugin architecture allows making the script aware of additional backup types.
Virtual Server Backup is a script for automatic backup of Guests running under Microsoft Virtual Server.
The script aims to keep downtime on a system/Guest to an absolute minimum, using the fastest possibly way to take backup.