I’m currently working on an article about backing up Exchange Server with DPM 2007. Meanwhile, if you’re interested in this subject, there are a couple of new and updated technical documents from Microsoft:

• Deploying System Center Data Protection Manager 2007 - Deploying DPM 2007 provides step-by-step instructions for installing and configuring DPM 2007, and includes an introduction to the DPM user interface. Deploying DPM 2007 also provides information on troubleshooting your DPM installation and how to repair and uninstall DPM 2007.
• DPM 2007 Pre-release Upgrade Guide - Upgrading Pre-release Versions of DPM 2007 provides step-by-step information for performing an upgrade from a pre-release version of DPM 2007 to DPM 2007 RTM, and includes any necessary upgrades to protection agents.
• System Center Data Protection Manager 2007 Getting Started Guide - The DPM 2007 Getting Started Guide provides quick access to tasks required to protect and recover your data, and includes a Quick Start Guide that provides scaled down instructions for installing and configuring DPM 2007.
• Microsoft IT Deployment of System Center Data Protection Manager 2007 - Technical Case Study.