I published the source code for the Cmdlet Help Editor on CodePlex here: http://cmdlethelpeditor.codeplex.com/ . Please feel free to contribute. for more information on the Cmdlet Help Editor, please check out the following post: http://blogs.msdn.com/b/powershell/archive/2007/09/01/new-and-improved...
The best way to get updated help for Windows PowerShell core commands is to type "Get-Help –Online <cmdletname>," but that works only when you're online and your firewall permits Internet access. For all of those other times, there's the new Windows PowerShell 2.0 Core Help...
A new feature of Windows PowerShell 2.0 lets you write custom cmdlet help for Windows PowerShell providers. This blog explains how to do it. (The topic will also be covered in excruciating detail in MSDN, but we don't want you to wait.) What's a Provider? A Windows PowerShell provider is a C#...