One point worth making up front: though there are actually three different versions of Remix in our photographs, we’re only reviewing the $100 Remote version, which includes both a microphone and a three-button Apple-authorized remote control that adds in-line volume and play/pause buttons to iPods and iPhones released at or after September 2008. A base model called just Remix ($80) omits both the remote and the microphone, and a version…