Our feeling is that there's no iPod accessory out there more misunderstood than Nike's Amp+ ($79), which has been variously described as an iPod remote control, bracelet, or watch: the truth is that Amp+ is all of those things, but its utility varies based on the other Apple and Nike hardware you own. Without anything else, Amp+ is a Nike wristwatch, made from urethane plastic and stainless steel, capable of telling the time on a bright red LED display…
