Kevin Holman has some great practical advice on how to configure RunAs account for the SQL Server management pack for System Center Operations Manager 2007 SP1 and R2 especially when low-privilege isn't an issue for your enterprise. Check out his blog article at http://blogs.technet.com/b/kevinholman/archive/2010/09/08/configuring-run-as-accounts-and-profiles-in-r2-a-sql-management-pack-example.aspx. At the end of the articlean excel spreadsheet is attached which lists all the workflows in the SQL Server MP along with their targeted class and RunAs profiles. This can be handy when trying to debug RunAs account issues with your management pack deployments.