If I need to worry about battery life, or If I'm in a situation where I need a system that will take a beating / hammer nails, the Nikons come out; but for a lot of work that doesn't have the physical demands, the Fujis work just as well. and if you need recommendations on choosing a camera, I suggest checking it http://fixthephoto.com/blog/tech-tips/best-camera-for-amateur-photographer.html will help you get started!