I think the SPDIF --> RCA converter would be the easiest (and cheapest), *if* it carries volume information. Will look to see if any of these converters have CEC.

The spdif output provides a digital signal; if you use the mini-plug output from the motherboard you are using the onboard sound chip's DAC to output an analogue signal. The sound quality will ...

Bel Canto -- not known for trickling out low-end gear -- has just introduced the $495 USB Link 24/96, which presumably does an impeccable job at converting high quality USB audio (up to 24-bits ...