I currently have SR60 and PX200 and i like them both. What should i be expecting from A900's, i know they are a different class of phones. I will be using them unamped from M-audio Revo and Iriver imp-550 (portability, closed, open don't matter). I listen to a variety of music, from pink floyd...

Hi all, I've been lurking here for a while and after seeing the tasty and juicy reviews, I have decided to buy my first true headphones. I've been using the phones which came with my walkman some years back and its time I got some entry level phones. I have narrowed down my options to SR60 and...