I hope the M-100 comes out VERY soon. I am now becoming curious about the Denon Urban Raver circumaurals.
Lol! Maybe it's your profile picture, but reading your posts about "Better be soon! Is it perfect? I'm curious if other existing cans are better. Better if it comes out soon. What's it like? I can't sleep I'm so excited!" makes me think of a doggie whining for dinner scraps, despite the dog bowl full of chow in the kitchen. Don't take offense to that though: I loved my dogs and their tail-wagging, whole hearted enthusiasm. That enthusiasm is part of what makes preview buzz exciting
I hope the headphones you get blow you away compared to what you have. And then you can get on with finding new music, which of course change the dynamic of bass, spaciousness, etc more than any speaker product. I guess I would caution you to step back and ground your expectations a bit, so that you can live with whatever you get once the new toy sheen wears off, but still... I hope day one feels as freely happy as a 7yr old's Christmas morning for you!