title: what are the advantages of MVC3 over MVC2
body: <p>i am currently learning MVC2. actually working on my first MVC2 project.As the MVC3 beta is launched and available to download. please suggest me should i use MVC3(Beta) or continue with MVC2 and second thing is, if i move to MVC3 then what major advantages i will get from it. 
  My project is an ERP application.
  Please suggest me what should i do.</p>
  
  <p>Thanks</p>