A short while ago in Satya Nadella, Microsoft Server & Tools Business president and Brad Anderson, corporate vice president of the Management and Security Division hosted a live webcast, “Transforming IT with Microsoft Private Cloud,” for enterprise IT leaders. In this webcast they announced System Center 2012 is now available for download. System Center 2012 integrates eight previous products into one solution to simplify purchase, creation and deployment of private clouds with the best economics.
In a nutshell: System Center is now just one product, that comes in two editions, with many components. And the full-set of components come in the two product editions:
The key difference between Standard and Datacentre edition is the Virtual Machine licensing. If you are after more detailed licensing information take a look at the licensing datasheet. (pdf)
Why not give it a try and see what you can do with System Center 2012 RC by Downloading the Release Candidate here! It's a great opportunity to get your hands dirty and try out hybrid cloud and private cloud.
If you are looking for additional information on Private cloud then there is a book written by 4 MVP's called Microsoft Private Cloud Computing that is currently available by pre-ordering it on Amazon. (UK store). And if you just can't wait for that to come out then take a look at this Whitepaper. You will also find some useful learning resources on Private cloud on Microsoft Virtual Academy. Just select the System Center Virtual Machine track and voila!