Portable Powershell

I just came across this on the powershell blog. I have been waiting for someone to come out with this! Quote from the site:

Portable PowerShell is software that allows you to run PowerShell on machines that don’t have PowerShell installed that you can run from a Machine that doesn’t have PowerShell on it, from a USB stick, on a machine that has a different version of PowerShell, a preinstall environment like BartPE, or WinPE or when booted to a windows 7 recovery DVD.

Go here to learn more.