Uh huh, it’s here and it looks gooood !!  Go grab the RTM for yourself:  “Windows PowerShell 1.0 for Windows XP (KB926139)“

It’s taken a while, and a name change along the way - but I’m genuinely excited.  It’s cooler than cool:

PowerShell Icon

Once you’ve got it, drop by the PowerShell blog.  :)