Those headphones look like exactly what I'm looking for. Any ideas on what a good portable amp/dac would be for the headphones?

I'm intrigued but I don't see many reviews. Have you tried these headphones yourself? If so, hows the noise isolation and whats the sonic profile? Looking at the site, it looks like they may be a little finicky to drive.. any experience on these?

Although I'm sure the CIEMs are a great option, I just don't like the feeling of something in my ear for the whole day. Even if over the ears don't offer as good isolation, my feeling is that they will be more comfortable if I'm wearing them all day long.   Sounds like the Momentums won't fit...

I have been casually looking for a pair of headphones for a while, but I didn't really have a strong need (I have a reference stereo at home: Revel Studio2 / Mac Amp and rarely needed headphones except for long flights or the occasional late night working) until last week. Now it appears that...