The official blog of the Microsoft System Center Configuration Manager Product Group
[Today's post comes from Harini Muralidharan]
We are announcing support changes for the following releases. Please look for these changes to be reflected in the Supported Configuration pages within a few months.
Microsoft Windows Embedded Standard 7 SP1 is now supported on Configuration Manager 2007 SP2, R2 and R3
System Center Configuration Manager 2007 SP2, R2 and R3 now support Windows Embedded Standard 7 SP1 as a client platform.
General limitations for managing Windows Embedded devices can be found in this article, http://technet.microsoft.com/en-us/library/bb932123.aspx.
No software updates are required.
Microsoft Windows ThinPC and Windows Embedded POSReady 7 are now supported on Configuration Manager 2007 SP2, R2 and R3
System Center Configuration Manager 2007 SP2, R2 and R3 now support Windows Thin PC and Windows Embedded POSReady 7 as client platforms.
Known limitations with Windows ThinPC and Windows Embedded POSReady 7 can be found here - http://blogs.technet.com/b/configmgrteam/archive/2011/07/26/how-to-create-prestaged-media-for-wes-7-1-posready7-and-thinpc-in-configmgr-2007-r3.aspx
This posting is provided "AS IS" with no warranties, and confers no rights.
Blog needs correction - The second link you have provided is not about "known limitations".