Internet Information Services 7.0 Monitoring support for OpsMgr yanked due to problems…
From the page:
A problem was found with this package, we are working on resolving it. This QFE updates the System Center Operations Manager 2007 Agent to allow it to monitor Windows Server 2008 Internet Information Services 7.0 Servers.
http://www.microsoft.com/downloads/details.aspx?familyid=f82ef6b3-a08e-4295-b9e3-fb78a74aefa8&displaylang=en&tm