An updated Operations guide has been released to the web and is available for download via http://technet.microsoft.com/en-us/opsmgr/bb498235.aspx
Here is the revision history for this update:
February 22, 2008
Added "Maintenance and Best Practices for Operations Manager" section, which contains multiple new topics.
Added the "Updates to the Operations Manager Deployment" section, which contains multiple new topics.
Major updates to the Backup and Restore section, including updates to the Root Management Server and Reporting server recovery.