MVC model helps programmers to provides separation of code. Apart from this it also give better support for test-driven development (TDD). To quickly learn more aspects of MVC model, you need to start previous or new .net projects through this model. You become familiar with benefits of this model. To clear intial doubts you need to start reading http://www.dotnet-tricks.com/Tutorial/mvclist ,
Apart from it you will also need to read tutorial of MVC from The Official Microsoft ASP.NET Site.