The SharePoint Capacity Planning Tool has been made available for download on TechNet. To learn more about the benefits and applications of the SharePoint Capacity Planning Tool see my beta release announcement at Announcing the Beta Release of the SharePoint Capacity Planning Tool or visit the resource links below:
Resources
Description and more Information
Download
It might only save people a few seocnds of seraching, but the download link for the final version is here: http://www.microsoft.com/downloads/details.aspx?FamilyId=DBEE0227-D4F7-48F8-85F0-E71493B2FD87&displaylang=en