Im quite interested these headphones but i wouldnt buy headphones unless i can see a frequency response graph, because i want to know exactly what im getting. There could be a negative peak in the upper mids or treble or something and i dont want to lose that information. I have the k701 atm and i equalized it so the mids and treble is perfect. I also like big soundstage and wouldnt want to sacrifice that. Would you guys recommend this headphone as an upgrade? Also any chance we could get some graphs from someone? I might go try them out if there is some place in london but i would still like to see a graph.