News on the release of ASP.NET MVC 2 RTM had been release by Microsoft on their MSDN Flash Volume 14, Number 6 | March 15, 2010 newsletter.
If you are developing ASP.NET web application based on MVC, this will be a good news for you. You can now download the RTM version of ASP.NET MVC 2 via Microsoft Web Platform Installer.
Note : Make sure you have uninstall your RC version of MVC 2 or else you will not able to perform installation.