Check it out … this does look very good! I have seen the beta in action.
Here is a “fact sheet” for using DPM to protect Exchange (http://download.microsoft.com/download/0/9/6/09623531-cb39-475a-88b7-1de963a99d9a/DPMv2_Datasheet-Protecting_Exchange_Server.pdf)
For more on DPM have a look at the website (http://www.microsoft.com/systemcenter/dpm/default.mspx) You can also view a number of webcasts too. Just downloaded and watched this one On-demand TechNet Webcast: Protecting Exchange Server with System Center Data Protection Manager version 2