In addition to the original white Rolly, Sony has announced a black shade to match your black, black heart. Although heaven knows what an angst-ridden music fan like you is doing with a dancing MP3 player! In addition to the black colour, or lack thereof, there'll also be some new speaker covers, in tones of red, blue and silver, as shown above. They'll apparently cost ¥1,500, or around £7, and for the actual Rolly itself, in...