I already have a nice computer rig to listen to, but I will be transferring to school in another place, so not wanting to lug around my computer, etc I set out for a nice pair of portables.   Choices were quite easy for me - it was between the HD25-1 II and the Beyerdynamic DT1350 as I wanted the best pair I could get in terms of durability and SQ.   At this very moment I do own both pairs of headphones. I originally bought the HD25s first because it was the most recommended pair of portables I had read about. When I received them, I thought...