If there is one that thing that can be a real pain on any NEX3 or5 its the ability to quickly access the menus. The NEX 5n with has the touch screen and I am sure Sony has done this to increase usabilty, and it is somewhat successful. It really only marginally increases the speed with which you can find the desired option, but it is very useful for viewing pictures, where it acts like an iPhone or a tablet in the way you zoom in or out.
Id much prefer dedicated buttons and dials than a touch screen, but it certainly is better.
|Sony NEX 5n with Leica 50mm Summitar|