I have an older Panasonic TC P50ST30 (release review/specs here) that was generously given to be by another Arsian that does have ARC support (I think). The TV sitting in front of an old but nicer ...

I was under the impression that the S/PDIF had inferior specs compared to what HDMIs capabilities are today. I've used S/PDIF, its been fine for me, but I've only used it when my HDMI components had ...