This is my review of a really nice portable (but open-back) headphone by Yamaha, and while the review hits all the critical points in a way that might read as negative, I really like it because it has an excellent sound and is very light and comfortable to wear.
http://www.hifiheadphones.co.uk/for...994-yamaha-200bl-stereo-headphone-review.html
http://www.hifiheadphones.co.uk/for...994-yamaha-200bl-stereo-headphone-review.html