Microsoft has released a Beta for DaRT 8. You find more details in the articles listed below. I’ve only been looking at it shortly, but here’s what I liked most:
DaRT 8 now comes with full PowerShell support and some of the cmdlets added can also be used beyond DaRT.
A complete new version of the DaRT image build wizard.
UEFI support
MDOP: DaRTing to the Future
http://windowsteamblog.com/windows/b/business/archive/2012/03/28/mdop-darting-to-the-future.aspx
Microsoft DaRT 8 Beta Q&A