I figured I'd go ahead and put this link in here as well, though it won't be here long. This is the same audio I intend to use for my final disc, but the video is an older transfer.

Here's a 40Mb zip with three scenes. It's saved as a DVD file, so you can load it in to your software DVD player and cycle between the 3 soundtracks (there's also some commentary). The AC3 is noticeably quieter than the PCM, but this is not unusual. If you don't have 5.1 playback, then there's no real point to downloading it.