Is there any noticeable comfort difference from the t70-90 series compared to the dt770-990 series? They appear to be nearly the same. If there is a difference do you know if the pads are interchangeable? I've got the dt770 and while they are pretty awesome; I'd say the NVX XPT100 w/ angled...

Look into these NVX angled ear pads. With a little elbow grease they'll go on Shure 840's which makes me think they'll go on ATH-M50s and possibly other Shure headphones. The other NVX XPT100 standard flat pads might be a good fit for some too the inner ear cavity is something like 5/8"-3/4"...

I identify as having big ears first off. I've had  moderate to modest experience with headphones (ATH-M50, Beyer DT Pro 770s, Shure 840 with velour pads and V-Moda Crossfade with larger pad upgrades.), I have generally been extremely interested in making sure that the headphones I get have very...