I was skeptical about using a phone as a music player - but I figured I'd try it for the heck of it (especially since I saw someone using a Motorola S9 bluetooth headset with it). I put on my MP3 and connect it to my Denon C550 IEMs and MY GOD. Just MY GOD.
The sound quality just blew me away - full, rich bass, very decent mids and highs... but more importantly - FULL RICH BASS. This thing is better than my iPod, Zune, Archos - waaay better. It even beats my Sansa player which was one of the best matches for the C550 IEMs I have. (I am extra mad now that the TP doesnt have a 3.5mm jack

)
I just hope the S9-HDs I am planning on getting can deliver the same kind of sound quality with the TP.