DevOps Deployment is based around build once, and deploy to multiple environments. DevOps Workbench Express Edition specifically targets the small organization with multiple personas. This supports your continuous delivery cycle to provide business value, and agility.
See http://blogs.msdn.com/b/willy-peter_schaub/archive/2013/09/10/alm-rangers-devops-workbench-express-edition-beta-is-available.aspx for comparison usage matrix. In essence this out-of-band solution targets TSF2012 and is a reference solution for the guidance and the continuous pipeline book (http://msdn.microsoft.com/en-us/library/dn449957.aspx). If you are targeting TFS2013 you should consider Release Management for Visual Studio 2013.