Ok, I finished the 5.1 track for the Theatrical TPM. It's synchronized with the DVD at each of the side changes. In total only about 1.4 seconds of audio (44 ac3 frames) has been patched in from the theatrical DTS mixes. The entire rest of the track is untouched ac3 direct from the LD's. It's perfectly seemless and you'd never recognize the transitions.
I will be getting the files organized and sorted this weekend and ready to post this week!