Operations Manager 2007 Design Guide

This guide will help you understand the building-block-level components in Operations Manager 2007 by presenting summaries of these roles.
It will help you to ask the right questions to make sure your design meets your company's needs.
It will make sure that you have answered the most fundamental design questions to ensure your design is flexible and scalable.
It will help you plan and size your Operations Manager 2007 topology using data from the Performance and Sizing Guide.
It provides guidance on how to validate your design in the lab.

the guide is here
http://download.microsoft.com/download/7/4/d/74deff5e-449f-4a6b-91dd-ffbc117869a2/OpsMgr2007_DesignGuid.doc