Now that my series about Configuring the Native Exchange 2007 MP for OpsMgr 2007 R2 is finally complete, you may be interested in this new tool released by Microsoft: Operations Manager 2007 R2 Sizing Helper.
Brief Description
The Operations Manager 2007 R2 Sizing Helper is an interactive document designed to assist you with planning & sizing deployments of Operations Manager 2007 R2.
Overview
The Operations Manager 2007 R2 Sizing Helper is an interactive 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).