[JayAuritt]

Originally Posted by HDJK

You're entering the esoteric realm with this question

But seriously, the only real difference is, that some receivers cannot apply any additional processing (like Dolby PLII, THX surround modes etc.) to PCM streams. So if you're into enhanced surround sound and your reciever doesn't support it on PCM you'll have to go bitstream.

edit:
There are people who claim that packed audio streams are less sensitive to digital jitter than PCM streams, but the opinions do vary on this one.

Thanks...sounds like it would just be safer to switch to Bitstream on the PS3 when playing a Blu-ray or DVD that does NOT have PCM.