If you're STILL looking for easy ways to learn PowerShell and you haven't been to one of my talks about learning PowerShell from INSIDE PowerShell, then have a look at PowerTab. It's FREE and it's so useful I may trade in a less useful body part or two in exchange 😉

get it here: http://thepowershellguy.com/blogs/posh/archive/2007/06/05/powertab-0-93-and-bdd-2007-teaser.aspx

One of the awesome things is WMI tab completion. Install PowerTab, start typing

gwmi win32_

and press TAB.

You should see the following:

This is enormously useful.