"The Windows Server Essentials and Small Business Server Blog" have an article on getting started with the Dashboard in WS2012 Essentials.
For the new Dashboard we are taken through the new home page and are shown tasks which have now been simplified, health monitoring and client monitoring as well as new features and extensibility via add-ins.
You can find the post here.
Getting Started with the Dashboard in WS2012 Essentials is a post from: MS Windows Home Server - Your Personal Guide to Microsoft Windows Home Server!
Microsoft MVP Philip Churchill's MS Windows Home Server Blog is one of the leading sources of breaking news and information, insightful opinion, and great tutorials regarding Windows Home Server. If you're an HP MediaSmart Server owner, this is a can't miss!