The System Center 2012 suite released and available for download today.
The suite will be officially announced at the Microsoft Management Summit on April 18th NZ time
This includes Virtual Machine Manager, App Controller, Operations Manager, Configuration Manager, Service Manager, Data Protection Manager, and Orchestrator, and all can be installed with the new Unified Installer.
If you have access to the Volume Licensing portal, TechNet subscriptions etc. the Suite should be available now for you to download.