Relese date for .Net 4.5.1 and VS 2013 RTM

i am about to start a new project i am thinking of building with .net 4.5.1 and MVC5, but was wondering the when the finale relase is schduled or expected. i dont mind having to alter the project if there are any changes in the final release, but I want to avoid having to delay deployment of the application because of having to wait for the final release of .net 4.5.1 and MVC5

Thanks