Nikon D5500 joins the touchscreen club — but is it worth paying extra for it?

The D5500 is Nikon's first DSLR camera to include a touchscreen. It's hardly a new idea — Canon's EOS Rebel T4i was the first DSLR to have one and that came out in 2012. Nikon's newest camera is the company dragging its feet in the face of new market trends and finally relenting. Camera purists will wax poetic about physical buttons and dials all day long, and how they're so versatile out in the field for adjusting settings, but today's users don't share the same sentiment. Buttons are scary ...