In order to provide a more consistent experience with the System Center product family, we've moved the Orchestrator blog to another blog at http://blogs.technet.com/b/orchestrator. Be sure to go there for all the latest info!
Emmanuel walks you through how to build a SharePoint cloud automation system using Opalis 6.3. Go check it out over on MSDN.
http://blogs.msdn.com/b/emberger/archive/2010/11/23/opalis-6-3-to-orchestrate-sharepoint-2010.aspx