I am a senior C# .NET developer and have a lot of experience with using installed add ons,in the C# and C++ VS enviroments - i have been through many versions of VS now, - 2008 to 2013 -- i am proficent in BDD, so i am used to having addins installed such as reflector, specflow, resharper, and like messing arround with tools and options in VS, swapping out compilation options, changing debuggers , makefiles , etc, for example when test driving embedded c code,. .