The MMM-Experts add-ins allow you to:

quickly navigate to any function in your source code
quickly find and open any file in your solution
toggle between the declaration/definition of a function for C++ Users
automate code production like regions, properties, exception handlers
quickly move to different parts of your source code (start of class, next function...)
quickly open a shell folder in order to browse your solution/project files
extend your copy & cut experience

More detail