What's your favorite material for a phone/tablet?

Smartphones and tablets come in all forms and sizes, but once it comes to building materials choice seems to boil down to different shades of plastic. Not only, though - every once in a while, a company would experiment with a different material: was it Apple with the glass iPhone 4 (and later, the metal iPhone 5), or Sony with its all-glass Xperia, or Motorola with its bold foray into the world of phones with a wooden back plate, we finally have some diversity in the materials used to build a phone.



What we are wondering is whether or not this is really all that important to you, ...