Here's my comprehensive review of the new Grado GH3 in the Heritage Series. It's neutral, it's spacious, it's made for music, and nearly as light as a feather:
http://www.hifiheadphones.co.uk/com...heritage-series-stereo-headphone-review.4535/
http://www.hifiheadphones.co.uk/com...heritage-series-stereo-headphone-review.4535/