No, not really. I find the concept of soundstage fairly overrated and weak treble is subjective. To me, the treble on the M100 is just right. It's bell clear and I can crank the volume up without it hurting my ears.
Okay, if you're listening to largely orchestral concert hall music you'll probably be disappointed that you can't tell which side of the cellos the violas are sitting, but that's completely irrelevant to me. That's not being able to see the forest for the trees. The M100s deliver powerful bass that doesn't swallow the mids up like I've heard on so many other bassy headphones, deliver a great emotional performance from bottom to top, are built like tanks, look great, AND you can customize them. They're in second place behind my new favorites, the Final Audio Design Pandora Hope VI. They're ahead of all sorts of higher-end cans, certainly above any of the open-backs I've tried.
And that's spending hours auditioning. Yeah I get why those others are held in such high regard, but the M100s just made me close my eyes and let the music surround me. If you listen to modern music (and this is the key), then there's nothing that beats the M100s anywhere close to their price range. If you AREN'T someone who likes bass emphasis, then no, you'll hate the M100s. That's fine. But for WHAT THEY AIM TO DO, they are stellar performers.