Lance Robinson has just announced HERE that /n software is now offering a free non-commercial license of their NetCmdlets product.
NetCmdlets offers more than 30 networking related cmdlets for use with PowerShell. See the listing HERE.
Lance has also provide cool examples of using NetCmdlets on his blog. He has setups tags so you should be able to see most of them HERE.
I also have a few examples on my blog here and there. If I find the time, I'll try to figure out how to add tags to my blog...