Ask Engadget: best Bluetooth headphones for audiophiles?

We know you've got questions, and if you're brave enough to ask the world for answers, then here's the outlet to do so. This week's Ask Engadget inquiry is from Christopher, who wants to brave the world of Bluetooth cans for his daily rounds. If you're looking to ask one of your own, drop us a line at ask [at] engadget [dawt] com. "Yeah, okay. 'Audiophile' and 'Bluetooth' don't go together, but I'd really like a good pair of Bluetooth cans to use with my iPhone. Naturally, we're talking about he...