When we first heard rumblings months ago about what turned out to be Bowers & Wilkins' new Zeppelin ($600), word on the street was that a European speaker company had created an expensive, iPod-specific audio system with a design that people would either love or hate. We're much closer to the first camp. As it turned out, photographs of the Zeppelin don't quite do justice to how impressive or large it is in person, particularly with an iPhone -- only…