The dt770 seems to come in a lot of different versions. Which one is suitable for an mp3 player? Presumably not the one with 600 Ohms :)   I really like how the Shure headphones have detachable cords. Do the Beyer and AKG ones have that? Is it common in the pricerange?

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I'm looking for suggestions for a replacement for my aging SR80s. I use them primarily with my mp3 player (a cowon d2 at the moment, the third mp3 player in my SR80's lifetime). I've been very happy with how the SR80s sound, but I've had to do a lot of patchwork repairs through the years, and...