I agree with ATH-ES7:
Slightly rolled of highs, not harsh at all, yet reasonably detailed. Nice soundstage, not huge but good for closed I'd say. Very nice, warm, smooth, slightly euphonic mids. A little midd bass hump but not too bad, goes pretty low. All in all I'm quite happy with them. They're better than I expected from what I'd read about them.
Just one word of warning, if your one of those up tight guys walking around with cleched jaws forget about them, it completely spoils their sound. (I was annoyed about something and suddenly the ATH-ES7 sounded like crap to me, so I wondered what was going on, unclenched my jaws and back was the nice sound).