Using decent in-ear headphones (I like the Etymotic HF2), listening to Justice, I can definitely without a doubt tell the difference between 128 kbit and +256 kbit. Or more specifically, 128 kbit and lower for specific music makes me feel nauseous.
I'm guessing this type of music simply doesn't compress as well as say... Red Hot Chili Peppers.
I'm not performing a rigorous A/B test, and I can believe that I would fail said A/B test given other conditions (other speakers, other music, etc). I would love for this to be true for all conditions and save all that storage space. Unfortunately, in my personal real-life conditions, better quality does make for a better listening experience.
Are you doing the encoding and performing A/B tests yourself? There are all kinds of things that can hurt audio fidelity a lot worse than bitrate. Some MP3's are poorly encoded by some crappy shareware application. Some are transcoded from an already-lossy source. Some productions will compress better than others (supposedly, some producers actually mix and master with inevitable compression in mind).
My original source was pirated music at 128kbits. Since then, I bought it and have the 320kbit version which immediately sounded incredibly better. Occasionally I'll hear it on 128kibts or 192kbits on Pandora and such, and the difference is very noticeable to me.
My data is purely anecdotal but I feel strongly about it and would be willing to put money where my mouth is if someone wants to call me on it.
I'm guessing this type of music simply doesn't compress as well as say... Red Hot Chili Peppers.
I'm not performing a rigorous A/B test, and I can believe that I would fail said A/B test given other conditions (other speakers, other music, etc). I would love for this to be true for all conditions and save all that storage space. Unfortunately, in my personal real-life conditions, better quality does make for a better listening experience.