Hey all, I have been bitten by the Head-fi bug . I am currently deciding between the Beyerdynamic DT 880 pro (250 ohm) , The Sennheiser 598's, and the AKG K601... Thinking of buying an ibasso amp/dac. I Run an ipod touch 3g and i am partial to jazz, rock, metal, hip hop, blues ( Coheed and Cambria, The black keys, BassNectar, Glitchmob, phillip glass, bird, miles davis, Aesop Rock, De La Soul, Dir En Grey, White Stripes ) Those kinds of things. My budget is about 500 and I have Tried the Beyerdynamics and love the comfort and the nice cavernous sound stage. Any suggestions/ opinions that would help ease my decission are very greatly appriciated!