Just released: Version 6.1.7599.0 of the Operations Management Pack for Operations Manager 2007 R2

The MOM Team give details about this must have Management Pack here:
http://blogs.technet.com/operationsmgr/archive/2010/02/22/just-released-version-6-1-7599-0-of-the-operations-management-pack-for-operations-manager-2007-r2.aspx

Kevin Holman walks through the Management Pack deployment here:
http://blogs.technet.com/kevinholman/archive/2010/02/20/running-r2-you-need-this-mp-update.aspx

There is a bug in the Management Pack though which is discussed here:
http://social.technet.microsoft.com/Forums/en-US/operationsmanagermgmtpacks/thread/9fb3e839-1318-4671-a8cf-0941eb88b542/

This also exposes a new alert:
http://blogs.technet.com/kevinholman/archive/2010/02/23/a-new-script-error-scompercentagecputimecounter-vbs-invalid-class.aspx