Elmosaurus, I hope you don't mind me piggybacking on your thread...
I upgraded the firmware in my 970 yesterday as well. So far none of the three issues I saw have recurred.
(No Audio, non-responsive front panel, distorted sound from a DD 5.1 DVD)
I've been using multiple sources and formats:
Oppo 981 DVD playing DD 5.1 and DD EX material.
SD and HD programming with both 2 channel and Dolby Digital audio over my HD TiVo.
If you don't mind I'll post here again after I've logged more significant hours and report on my experience.
Cheers,
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Outlaw 976, Outlaw 7700, Pro-Ject Phono Box S
Sonus Faber Domus Grand Piano (F&C), Niles HDFX (Surr. & Rear Surr.), Outlaw LFM-1 Plus, Velodyne SMS-1
Sonos multi room audio
Video: Sony KDL-46V2500, OPPO BDP-103, TiVo Premiere XL4
2-channel: Outlaw RR2150, SF Concerto Home, Outlaw LFM-2