Oh, the things you find when you are writing a book.  Now, the problem is to spend less time 'finding' and to spend more time 'writing', isn't it?  This feature is new to the downloadable SQL Server 2008 CTP 6.

open PowerShell in SSMS by right clicking on any object in the tree

Rob has a nice explanation of how to make this a bit more useful on his blog as well.