The T1 is the best headphone listening experience I've had. I had the Sennheiser HD800 for 3 years, but rarely used it except as a reference. The T1 impresses me as sounding more like real music than the breathtaking but sonically-enhanced HD800.
Beyerdynamic T1 'Tesla' Stereo Headphone review
Beyerdynamic T1 'Tesla' Stereo Headphone review