Initial List of Powershell Resources 

Microsoft - Powershell scripting page

Microsoft Powershell Forum

Microsoft Technet

Microsoft PowerShell Blog

The Powershell guy

Categorized List of my Powershell-bookmarks.html

JustCode Powershell Blog

Jeffrey Hicks

Sean Kearney

bsonposh

Joel Bennett

Boe Prox

Antoine Habert

Arnaud Petitjean

Hal Rottenberg

Shay Levy

PowerTip

James Brundage

Frekrik Wall

DFW Posh User Group

The Scripting Guys

Adam Driscoll

Jonathan Walz

Doug Finke

Trevor Sullivan

Lance Robinson

PowerScripting