My first review on head-fi.  I have only had the T90s for a few weeks, and have maybe 30 hours of listening time so far.  I have mainly been listening to ripped CDs (44.1khz/16) and some HD 96Khz/24 recordings.  I've also listened to some 320kbs streaming audio.  My audio path is a Macbook pro to an O2/ODAC via USB.  I also have a DacMagicXS that I use at work.   I came to the T90s from a set of ATH-M50 cans.  Putting on the T90s was a revelation.  I never realized how much more music there was to the recordings, in almost all cases.   One of my...