I actually just picked up the E5000 as my first intro to final audio and I am loving them so far. My previous favorite was the CA atlas, and these are definitely pushing a bit towards their signature (not commenting on technical ability, since its hard for me to tell). But from first listen, I absolutely love them. Part of the reason why I got them was in part because the atlas are rather large and after longer listening sessions can get uncomfortable for me. I actually have trouble with any of the bigger or even more "ergonomically" shaped IEMs, so the small barrel type seemed perfect, and so far they have been super super comfortable owing to their small size. And its rather amazing how big the sound is coming out of them. They may not be the most technically accomplished IEM out there, but damn, if I wasnt into this hobby, I could see myself calling these "end-game" in the sense that I would be totally satisfied with them as my only pair especially at the price, though lets not start that conversation (especially because I am not tyring to claim they are the best out there... maybe just best for me).