The soundstage is intimate and realistic, giving you a front row seat feeling with stellar imaging and separation that doesn't feel artificial

The soundstage and details of the stereo imagining is excellent and should impress even sound engineers.

The soundstage felt more spacious as instrument reverberations occupied more space, significantly improving the reproduction of ambience

SR-125 - base soundSR-225 - slightly wider soundstage, slightly improved accuracy (warmer)SR-325 - improved look and feel, slightly punchier bass, slightly improved accuracy (warmer)Owners of the SR-125 may be tempted to buy L-cushions to get better sound

The soundstage became more spacious, mildly improving the reproduction of ambience

Third Grado has models ranging from about $80 to $1700 but I find these to be the best for rock music, the reasoning is because the plastic models just sound dull, the wooden ones sound too smooth and soft (you want some aggressiveness when you listen to rock) and because of the L-cush pads they bring in a more intimate soundstage as if you are right in front of the band rather than the G-cush which makes it like you are a couple of rows from the stage

Pretty much everything, from the grinding of a bow on cello strings to the breathing of pianists and artifact noise on small audio files, all bloom as if someone just put them there afterward, and loud and soft sounds suddenly give music a more rollercoaster-like experience

If mobile use is important to you, I would recommend the sr80i/e/whatever.