No, don't even look at Web Forms.
MVC is modeled much closer to how HTTP actually works, which makes it much easier to work with and to build today's web applications with client side scripts. Combining Web Forms and javascript is really a pain.
MVC is also much better in that it helps getting the server side structure right. It is possible to use a model-view-presenter (or controller) separation on Web Forms too, but it has to be ducked taped on top of Web Forms.
Finally, you will have nearly no use of any WebForms knowledge when starting with MVC. It's rather the other way around, the WebForms developers I've taught MVC have to be de-brain-washed from WebForms first ;-)
