Microsoft Press just released Exam Ref 70-486: Developing ASP.NET MVC 4 Web Applications this month.
If you like to read and watch videos to get the full learning experience, we recommend checking out the recently posted Jump Start called Developing ASP.NET MVC 4 Web Applications.
The course is divided into 8 modules.
The book is organized in 5 chapters that follow the exam objectives.
Learn about what you should expect on the exam: http://www.microsoft.com/learning/en-us/exam-70-486.aspx
Need a study group? Check out the Developer Study Group on Born to Learn: http://borntolearn.mslearn.net/certification/developer/default.aspx#fbid=VCOxKNiyz3Y
I'm studying for this certification, helped me a lot