The Release notes for Remote Operations Manager, covering ROM upgrade to Service Pack 1 with Opsmgr SP1 and Essentials SP1

The Deployment Guide contains some additions/changes around

• Updated credentials information in post-deployment setup instructions to use Windows Stored User Names and Passwords.
• Added scaling information.
• Added architecture diagram.

http://www.microsoft.com/downloads/details.aspx?FamilyID=4b621eb7-01bb-45f5-9a77-52853f06eec9&DisplayLang=en