Model-View-Presenter Pattern & Asp.Net

You may have heard of Model-View-Controller pattern, and the success of such frameworks for commonly used programming languages, such as Ruby on Rails, Zend Framework, Springs and the hugely successful MVC framework for asp.net: the ASP.Net MVC Framework. Model-View-Controller, so call MVC framework provides a good seperation of layer, abstraction of data and a friendly interface for unit testing projects and Test Driven Development. So why are we still talking about MVP patterns today?