This will be my first purchase of a decent set of IEMs.   My criteria:   Music selection: Heavy progressive metal/rock, to funk/acid jazz, to string quartets, to full orchestral works, to female vocals and acoustic guitar, to a tiny bit of hip-hop/pop. If there's one genre I avoid it's...

Hey Head-Fi'ers,   I am looking at making my first canalphone/IEM purchase, however I am hesitant at buying any brand or model for one reason: comfort.   I have a set of Koss KSC75, which I find very comfortable, and a set of Audio Technica AD900, which I find very, very comfortable, but...