i start playing with Windows 8 ADK; so i can create a new winPE for our win7 deployment. and noticed that there is no ImageX, that creating,applying .wim files is now done via dism? and diskpart ...

As Nexus6 said, you need to use ImageX from the Windows Automated Installation Kit to restore your WIM. You can create a WinPE disc without using MDT 2010 if you know what you are doing, but it ...