What are the enhancements ASP.NET MVC 3 provided compared to ASP.NET MVC 2?

Answer 1

Following are list of some enhancements in ASP.NET MVC 3 compared to ASP.NET MVC 2

1. Razor View Engine
2. Partial Page Output Caching
3. Unobtrusive Javascript and Validation
4. New Dynamic ViewModel Property
5. Global Filters
6. New ActionResult Types (HttpNotFoundResult, HttpStatusCodeResult, HttpRedirectResult)
7. JSON binding support inbuilt