The only way you missed Sony Ericsson's Xperia Arc S at today's IFA press conference, is if the slim handset happened to be turned sideways at the time. The 4.2-inch phone was the one of the bigger announcements at the event, sporting a 1.4GHz processor, an 8.1 megapixel camera, a Reality Display and the ability to convert 2D images into 3D. Like the new Walkman, however, Sony seemed largely inter
