http://blogs.technet.com/garrymeabs/archive/2007/04/10/system-center-capacity-planner-2007-beta-release-available.aspxSystem Center Capacity Planner 2007 (SCCP 2007) helps you size and plan deployments of Microsoft Exchange Server 2007 and System Center Operations Manager 2007. SCCP 2007 uses transaction models of the applications and includes their respective best practices.en-USCommunityServer 2.1 SP1 (Build: 61025.2)