I actually don't mind the comfort/clamp too much considering their small earcup size because of the memory foam pads (which get warm and mold to your ears over time). I definitely mind the small earcup size though, and I can see how that can compound any possible clamping issue to other people, as it clamps down on the outer part of your ears.
Soundwise I thought these were a little lacking around 2khz, and a little hot around 10khz, but it was a very narrow peak. I thought the bass extended wonderfully and had superb balance, but wasn't as hard hitting as other headphones. I think they sound very open for a closed headphone (not open in a large soundstage sense but open in a cohesive, clear sense.)