Microsoft Assessment and Planning Accelerator

Where has this tool been all of my life? 

For those of you familiar with tools along the lines of Quest Reporter, think of this as "Reporter on Rails, for free."  Query a bunch of machines, either an AD domain/OU, IP subnet, or a list that you specify, and generate a report on their hardware readiness for Vista/Office 2007/Windows Server 2008.  Puts it all into a lovely little MOF-like (*cough*cough*cough* Pardon me, I've got a MOF-ball in my throat) report to hand to your boss-man at your whim.

This is just too cool.  Go download it, right now.

http://technet.microsoft.com/en-us/library/bb977556.aspx