An updated download of the Operations Manager 2007 SP1 Management Pack is available. The management pack for Operations Manager hasn't changed, but the package now includes an updated version of the Operational Data Reporting (ODR) Management Pack, which is installed with Operations Manager.
Here are some the changes you'll see in the ODR MP:
Need some help planning your Operations Manager deployment? Check out the Operations Manager 2007 R2 Sizing Helper.
The Operations Manager 2007 R2 Sizing Helper is an interactive Excel document designed to assist you with planning & sizing deployments of Operations Manager 2007 R2. It helps you plan the correct amount of infrastructure needed for a new OpsMgr R2 deployment, removing the uncertainties in making IT hardware purchases and optimizes cost. A typical recommendation will include the recommended hardware specification for each server role, topology diagram and storage requirement. The Operations Manager Sizing Helper is most useful when used with the Operations Manager 2007 R2 Design Guide (http://go.microsoft.com/fwlink/?LinkId=184377).
The Sizing Helper was previously available through the System Center Operations Manager blog.