The ASP.NET team has released beta version of ASP.NET MVC 3. You can download the ASP.NET MVC 3 Preview 1 from here. You can read more details from ScottGu's blog post. You can download the ASP.NET MVC 3 Beta from here . Please keep in mind that you needs to install ASPNET Web Pages 1.0 in order to install ASP.NET MVC 3 Beta.
The below are the summary of the new features of ASP.NET MVC Beta 3
- Improved New Project Dialog Box
- Simplified Way to Specify Strongly Typed Models in Razor Views
- Support for New ASP.NET Web Pages Helper Methods
- Additional Dependency Injection Support
- New Support for Unobtrusive jQuery-Based Ajax
- New Support for Unobtrusive jQuery Validation
- New Application-Wide Flags for Client Validation and Unobtrusive JavaScript
- New Support for Code that Runs Before Views Run
- New Support for the VBHTML Razor Syntax
- More Granular Control over ValidateInputAttribute

Read the complete post at http://feedproxy.google.com/~r/ShijuVBlog/~3/Il-Qo2O7xcY/asp-net-mvc-3-beta-released.aspx