It is always helpful to see "how-to" information presented as a video. PowerShell is a powerful but complex beast to get your arms around. A very helpful video blog is available at pwershell-basics.com and a new (second) video has just been posted. This one covers the topic of "Discoverability". Discoverability in PaowerShell means that there is a way to examine the data and methods of objects on the command line.In this episode, host Steven Murawski takes a look at Get-Member, which allows you to inspect the properties and methods of the objects that are available from the PowerShell commandline.

http://powershell-basics.com/2008/03/06/show-2-discoverability/