The test for personal headphones is always how they sound to the end user. One person might prefer Senns over AKG, another might prefer Grados. When I was looking for portable headphones for my phone, I checked the selection at my usual store, Bay Bloor Audio in Toronto. The AKG 450 sounded better to my ears and for my purpose so I bought them and loved the sound. I still do. The drawback was that, at the time, there was no option for a microphone in the wire for phone use. When the 460 was introduced with an in-cable mic, I looked into replacing the...