As I was recently working on DPM 2010 for SharePoint I complied a list of references that can be used as a quick ramp-up for this product. Hope you will find it useful.
Getting Started with System Center 2012 - Data Protection Manager
System requirements
Planning a DPM Deployment
Deploying DPM
Operations Guide
Troubleshooting Guide
DPM Error Codes
Great series of articles Ahmad. Congratulations!