Originally Posted by kingofgrills
To clarify, SACD playback is not available just through HDMI. The PS3 (80, 60, or 20 gig models) will only play back multi-channel SACD via HDMI. 2 channel SACD tracks may be played back via HDMI, analog RCA outputs from the proprietary Multi A/V jack, or as 2 channel downsampled PCM via the digital optical connection (available in the latest firmware update).
You are correct, I just assume that when people ask about SACD they are asking about multi channel playback.