I recently (december last year, in fact) bought an AKG K551. And I really LOVED the sound and the comfort of it, BUT.
After 3 months, the plastic piece above the earpiece got cracked. I decided to bring it back, I got a new one. NOW, it cracked again, and the leather on the earcups tore aswell. So I decided to bring it back once again.
Only to find out that the shop went bankrupt (do I say it right? :P), and they decided to give back my money which was 300 euros.
Now I am looking for a good portable headphone, used mostly with my iPhone and computer, which needs a detachable cable, and has very good isolation and close to none sound leakage.
I am hoping to find a sound similar to the AKG's, but I want to shy away from the AKG because the build quality was a dealbreaker for me.
I take the headphone everywhere. On the bike, in the car when I am seated next to one, on the airplane, on a walk, on the bus, on the train.
I am looking for a really good neutral sounding headphone, that can be driven easily.