Windows 8 To Go USB Drive

Required;
Blank USB Drive 32GB or more (USB 3 or as fast as you can afford).
Windows 8 Enterprise Installation Disk.

Insert USB Drive into PC.
Command Prompt {runas administrator}

Diskpart
List disk
Select disk #_of_USB_Drive
Clean
Create partition primary
Format fs=ntfs quick
Active
Exit {to leave diskpart}

In the same command window;

Copy cd_drive \sources\install.wim to c:\tmp
Copy Imagex.exe to c:\tmp

imagex.exe /apply install.wim 1 u:\     {where u: is your USB Drive}
(This step can take a wee while to complete)

bcdboot.exe u:\windows /s u: /f ALL   {where u: is your USB Drive}

Download ImageX here.