Just an FYI that we have a new Knowledge Base article that lists the known issues that you may experience when you use a management pack for Microsoft System Center Operations Manager 2007 R2 on a computer that is running a localized version of Windows Server 2008 R2.
http://blogs.technet.com/operationsmgr/archive/2010/02/03/list-of-known-issues-when-you-use-a-management-pack-for-opsmgr-2007-r2-in-a-localized-version-of-windows-server-2008-r2.aspxJ.C. Hornbeck | Microsoft