Summary: At the end of 2012 I started looking for my Shure SE530 replacement for IEMs and for me the Ultrasone IQ was really a gamble that paid off.
The sound signature for these IEM's is what I prefer. Very clear precise bass response, excellent separation in all ranges. I really love the mid tone clarity and extension in high range.
With that excellent mid and high range you really need to ensure a good seal otherwise it is not a good listening experience.