Also announced at MMS, the task-based command line shell for Windows a.k.a. Monad, was given its official name for release, Windows PowerShell.
The RC1 build can be downloaded from http://www.microsoft.com/technet/scriptcenter/topics/msh/download.mspx
Requirements: .NET framework 2.0 http://www.microsoft.com/downloads/details.aspx?FamilyID=0856eacb-4362-4b0d-8edd-aab15c5e04f5&DisplayLang=en
Windows Server 2003, Windows XP , Windows Vista
Also see http://www.betanews.com/article/Monad_Named_Windows_PowerShell/1145994077
for more information