Virtual PC 2007

Link to Microsoft Virtual PC 2007

VAMT - a tool for doing proxy MAK activation and analyzing groups of machines for VA status.

Volume Activation Management Tool (VAMT)

Finally, these were online last week but not officially announced until today.  KMS for 2003 and the MP for KMS.

Key Management Service (KMS) for Windows 2003

KMS Management Pack for Management Operations Manager 2005