I updated my previous post that included only a Windows 2003 version of the Perfwiz replacement with a Windows 2008 XML version now. Since Performance counter imports are different in Windows 2008, this needed to be converted to a format that it understood. Check it out at http://blogs.technet.com/mikelag/archive/2008/05/02/perfwiz-replacement-for-exchange-2007.aspx

Enjoy!!

Mike