I've written about BDD in the past and this is a noteworthy announcement too. "BDD Development 4" is now available on the Microsoft Connect
site if you use an invitation code of:
BDDP-QMYH-VWTH
What is new so far? A lot!
Microsoft System Center Configuration Manager 2007 support
Support for multiple task sequence templates
New sample templates
Ability to invoke web service calls
Support for web service calls from rules
Support for side-by-side installation with Deployment 4 and BDD 2007 installed on the same machine
Lite Touch Installation (LTI) enhancements:
Support for Windows Server 2008, including multicast WDS
Enhanced disk and network interface cards (NICs) configuration options, including support for static TCP/IP configuration
Design changes to ease the migration from LTI to Configuration Manager 2007
Check
here for more info.