you can use Powershell ISE and load powercli on the posh inside... just run the startup script on the screen or make an alias like

Function Load-PowerCli{

  . "C:\Program Files\VMware\Infrastructure\vSphere PowerCLI\Scripts\Initialize-PowerCLIEnvironment.ps1"

}

it loads all the current cmdlets into the autocomplete and syntax highlighter

Nevermind, I'm a bonehead lol.  I forgot they have snap in's that I need to load although in powergui they don't seem to be higlighting the latest cmdlets still.  I'm also checking out Luc's favorite powershell plus

I just did a short overview of the ones I know about, see 1.  Re: Free PowerCLI Editor

Here is an online one I just created: GitHub - DoubleCloudInc/powercli-sketchpad: Sketchpad for VMware PowerCLI It's open sourced under MIT license. To use it:

PowerCLI SketchPad - DoubleCloud