So, I told my fiancee that I was "checking the IM70's for defects" and got to get a quick impression of the sound without tip rolling/burn-in.
Sound: As my first Audio Technica IEM I am not sure what the sound signature is normally but I will say that this is a very powerful neutral. It doesn't really seem to be lacking in any field but if I had to choose something that was forward a little it would be the mid range. Voices actually work really well on these headphones. The clarity on Adele's Set Fire To The Rain (24/96) was spectacular. The bass is very impactful without being overwhelming. Instead of really choosing frequency it sounds like they tried to create a nice balance of mid and lower bass. Every, IMO, really gels well together. It's not a cold sound. It's more of a warm neutral and it's strong across the board.
Build quality wise: F*** YES! A nice thick non-flat cable! The cord seems very durable. The detachable connector actually took a little pulling to get out so it's locked in there quite well and I didn't feel any pull when I pulled it gentle. The shell is very plastic-y but it feels sturdy enough. Instead of ear guides the headphones have a flexible kind-of memory wire that is about 3/4th of my index finger long to wrap around your ear. I actually prefer that because ear-guides never worked for me.
Accessories: It's definitely no Monster but it does come with a set of Comply T500 (which means the TSX500s I use on the gratitude's will work), regular S M L silicon tips, and a regular pouch. I actually think they might benefit from the triple flange tips monster has but we'll see about that later.
Remember that this is without tip-rolling or burn-in which I won't get to do for a month. I would say I recommend these over everything I currently own and have listened to. I do not regret the money I spent on them.
Not to mention, and surprisingly, they drive better than the Gratitude's on my Nexus 5.