For those of you working with earlier product versions you will recall we had a Capacity Planning tool with LCS 2005 Sp1 but nothing for 2007. The R2 version has released as promised to many customers -

http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=f8cbddd6-7608-4bbe-9246-16e96c62bef4

Please recognize that the tool is not providing capacity abilities for Group Chat.

TomL LCSKid