I have been working more and more with PowerShell lately and I love it.  If you want to watch a great introductory 75 minute video to get up to speed quickly, look no further than here:

Windows PowerShell Crash Course
http://channel9.msdn.com/Events/TechEd/NorthAmerica/2012/WSV321

It is presented by Don Jones and Jeffrey Snover.  They share a number of great tricks and tips, too.  I may start posting daily tricks and tips either from the video or that I learn as I experiment with PowerShell.  Hopefully they won't mind me re-posting their tips.

Rob