Here’s some links (of many) that can get you PowerShell skills started.
The Channel 9 “The DFO Show”: http://channel9.msdn.com/shows/The_DFO_Show/
MOWS Powershell Blog: http://thepowershellguy.com/blogs/posh/default.aspx
Microsoft TechNet PowerShell: http://www.microsoft.com/technet/scriptcenter/hubs/msh.mspx
Microsoft Windows Servers PowerShell: http://www.microsoft.com/windowsserver2003/technologies/management/powershell/default.mspx
Keep in mind, PowerShell will be integrated in most upcoming new Windows Servers Applications.
You will find this is a very productive product and theirs lot of third-party tools to make your life easy.