I've been using the ATH-CKM99 for a couple of years now and I love their sound signature.
I am looking for a better pair of IEMs and I've seen a few that might fit my needs: the Onkyo IE-HF300, the RHA MA750 or the JVC HA-FXT90.
Has any of you tried them all? How do they compare to the CKM99?
Feel free to let me know about other IEMs, the requirements are: (preferably) worn straight (not a fan of over-the-ears phones), 150 euros max (about $200), bass should be as good as on the CKM99, can be driven by the Cowon J3 without an amp. If Audio Technica has a model that does all of this, I'd rather buy from them (but it can be any other brand if their stuff suits my needs better).
Thanks for your help guys!