The Enterprise package. This best suits those businesses that are spread over more than one site.

Live backup Server software supports all the Major operating systems, including Windows, Novell, Linux and UNIX. Live Server Backup (Enterprise package) supports several plugins to further integrate with your system. Available for most common live systems such as Microsoft SQL Server, Microsoft Exchange and Lotus Notes, they all achieve a common goal of making your backup regime easier.

This is more important when there are many site to consider.
Committing resources to each site can be costly and time consuming, however with Live Backup Enterprise products you are able to cohesively automate any backup strategy, which will reduce your backup cost considerably.