One of my co workers Chris Henley just did a great video/screencast on WinPE. What is WinPE?  Have you ever done custom setups of Windows? Have you ever needed a small version of the OS to boot a box and troubleshoot hardware issues?  Yep all of that is WinPE.  It's part of the Windows Automation Installation Kit (WAIK).

Go check out Chris' video

Chris shows you step by step how to do this!  Great 17 minute video!!

And download it here: