In the RC, the major bugs have been fixed and many little improvements have found their way to the package. All changes can be viewed in the release notes.
V1 of ASP.NET MVC is planned for February 2009, so stay tuned.
- Download: http://www.microsoft.com/downloads/details.aspx?FamilyID=f4e4ee26-4bc5-41ed-80c9-261336b2a5b6&displaylang=en
- Release Notes: http://go.microsoft.com/fwlink/?LinkID=137661&clcid=0×409
- Announcement ScottGu: http://weblogs.asp.net/scottgu/archive/2009/01/27/asp-net-mvc-1-0-release-candidate-now-available.aspx
- Announcement Phil Haack: http://haacked.com/archive/2009/01/27/aspnetmvc-release-candidate.aspx