iA63 stands out mostly because it breaks with tradition in two key ways. The attractive and largely matte black plastic unit has an unusual shape that requires less of a footprint on your nightstand or desk than most of the company’s iPhone- and iPod-ready speaker systems, measuring a little under 5.5” deep only if you don’t take into account the reclining slopes of its front and back; the actual depth is 4.5” or less at any…