Listening to my Thunderpants for the first time. They arrived from Don's this morning. While I don't want to post any real impressions until I've had some ample listening time logged, I will say that I'm amazed by the bass they reproduce. Tight, fast and accurate bass. What's truly impressive is that the rest of the spectrum is in no way overpowered by this incredible bass. Alison Krauss 'A Hundred Miles or More' is almost always the first CD I play when auditioning a new headphone. If a headphone can accurately reproduce her voice, and the strings of this album, then it will almost always become a favorite for me. Alison has never sounded better!