Sent mine in to be made into customs. Fit wasn't really an issue, but I had less isolation than I'd like, and due to the ports the sound leakage was bothering my wife.
I didn't procede with this in order to hype the headphones, it was more a curiosity for me to see how a custom dynamic turns out. Probably a big waste of money, but as they won't likely get used otherwise like my TF10's which I had customized for the same reasons.
The cable was most of the final reasoning. Routing the cable behind my ear wasn't bad except for the stupid control box.
I'll post pics and impressions, I expect the soundstage and bass will be diminished. Banzai