Originally Posted by porschedrifter
So in your opinion which would be the more accurate and better method?
More accurate to what? If I want to feel like I'm listening in a larger room, then I would use DSX. If I want surround ambience to come from above the front soundstage, then I would use PLIIz. I doubt that film makers and their sound mixers intended for either of those effects, so I'm not sure whether I'd consider either one "accurate".