Last week I was at the Microsoft Tech Days 2015 in The Hague. One of the sessions was about Visual Studio Productivity. The presenter showed us a ancient feature that is already available since the early: convert your VS scrollbar into a sourcemap-scrollbar. This helps you navigating a long source files, since we humans are picture oriented:
You can enable this by right-clicking the scrollbar itself and choose Scroll Bar Options from the menu. In the dialog check the ‘Use map mode for virtual scrollbar’-setting. Et voila!