Great thread! Can't believe as a metal fan I haven't found my way here before!
Lots of new stuff to check out here too... Especially in the stoner metal line, which I'm starting to get into in a big way.
Anyways, in terms of my headphones, I've enjoyed these for metal:
Driven well I'd probably rate the HE-6 the best of these for my ears.
Didn't enjoy with metal so much:
Sources: Audio-GD Reference 10 on desktop, Galaxy Note 2 with various portable DAC/amp combos (RSA Intruder, HeadAmp Pico, Apex Glacier, Leckterton UHA-6S.MKII).
Leave you guys with some stuff I like that hasn't been mentioned here yet:
Edited by NZtechfreak - 1/25/13 at 12:46am