Some people have a hard time taking Apple's earphones seriously. Consider the company's past forays into listening accessories: several generations of low-end iPod Earphones and Lanyard Headphones, a pair of $39 In-Ear Headphones that were derided for lousy fit, and the infamous iPod Hi-Fi, an overpriced all-in-one speaker. Could this company really make a pair of premium earphones worth owning?