The only one out as of now is for the iHP-100 model though, but still, this is good news.
QUOTE
Ogg Vorbis file format support up to 500Kbps, providing a better sound quality than most commonly used file format, MP3.
The Ogg Vorbis supports bit rates of 32Kbps~500Kbps, 44.1kHz.
The Ogg Vorbis supports bit rates of 32Kbps~500Kbps, 44.1kHz.
Press release here.
Firmware (v1.17 US) download here.
Details on the firmware available here.