I disagree with this one. Most of these IEMs will be used out of a portable device much of the time, so impressions on how they perform with typical sources is important. Like testing cars out at the track - it's nice to know what the car's peak performance is like, but if it's a road car then road use performance will be just as important. However, if you have a issue with a specific combination (e.g. I remember some Sonys have a treble emphasis with some IEMs, so if someone says a Sony+IEM combo has shrill highs it might not be the IEM's fault) that's a very legitimate point.
My view is that rather than viewing these review as a scientific guide to transducers' top performance under ideal conditions, reviews are useful as subjective views under typical use conditions.
Edited by Ypoknons - 7/25/10 at 1:35am