Jack, there are many management software out there depending on what you want to manage.

For backing up device configurations including cisco firewalls on a scheduled basis, including email notification up/down device status or managing device logs through syslog server I recommend cat-tools from http://www.kiwisyslog.com/ , easy to setup and very efective.

If you are looking to monitor devices interface utilization I recommend PRTG .

http://www.paessler.com/

Rgds

Jorge