Links to Powershell Websites, Utilities and Books

Download PowerShell 1.0 - WinXP 32, WinXP x64 - Vista 32, Vista x64 - Server 2003 32, Server 2003 x64
If you're running Windows Server 2008, you already have PowerShell 1.0 as an installable option.

Download PowerShell 2.0 - WinXP 32 - Vista 32, Vista x64 - Server 2003 32, Server 2003 x64 - Server 2008 32, Server 2008 x64
If you're running Windows 7, you already have PowerShell 2.0 as an installable option.

Powershell Pack - write GUI user interfaces in PowerShell

MS Scriptcentre - Downloads, tips and example powershell scripts.
MS PowerShell - Downloads and sample scripts for XP, 2003 and Vista

PowerShell Getting Started Guide - MSDN
Powershell Blog - Powershell team
PowerShell Community Extensions - Additional cmdlets, providers, aliases, filters, functions and scripts

The Powershell Guy - Kirk Munro
PoshoHolic - Powershell blog
Dmitry Sotnikov - Dmitry Sotnikov
Huddled Masses - Joel Bennett
Otto Helweg - Management & Instrumentation
Keith Hill - Keith Hill
ServerFault - powershell Q&A
Rob Van Der Woude - Powershell example scripts

Search Microsoft Knowledge base

Recommended Books.

Windows PowerShell Cookbook
by Lee Holmes, (one of the PowerShell team developers) - Hundreds of tested scripts that you can use right away to get Microsoft's new tool working for you. Also checkout Lee's blog which has more handy tips.

Windows PowerShell in Action
by Bruce Payette, one of the founding members of the Windows PowerShell team, co-designer of the PowerShell language.
As several Amazon reviewers say "don't get this as your first powershell book" but it is the definitive how and why reference for everything PowerShell.

8 page quick reference PDF (cheat sheet) by Bruce Payette - free but requires registration

Windows PowerShell course book
by Frank Koch - A free Windows PowerShell booklet available for download, translated from German.

Powershell Software

pash.sourceforge.net - An open source reimplementation of PowerShell for Mac, Linux, Solaris and Windows Mobile.
PrimalTools - A free GUI form builder for PowerShell (XML).
Admin Script Editor - Add GUI forms to Powershell (45 day trial)
Quest.com/powershell - Addons including the free PowerGUI editor

Related

Windows cmd utilities & Books can be found on the Windows Links page
usenet group- microsoft.public.windows.powershell
SS64 - Powershell Discussion Forum

"..the big breakthrough was when we got lowercase" - Bill Gates Tech•Ed 2008