CatBus said:

So does that mean there is an extra frame at the beginning of some of the PAL versions? If so, where?

No. While I realize that you haven't used AviSynth, the script is quite self explanatory. In the example that althor1138 gave you, DeleteFrame(144053) tells AviSynth to delete frame 144053. Apart from the change in frame-rate, that is all that is in the script, so what it boils down to is that there is only frame that the PAL GOUT has that the NTSC lacks, so deleting it synchronizes the two.

CatBus said: EDIT: And for -1's Grindhouse Edition, can anyone convert that into English-ish? i.e. delete 3 frames starting at NTSC GOUT frame X or timecode Y, etc.

Converting the script into time-codes by looking at it is possible, but it would probably be hard for most people (including me) to visualize. I assume that you are thinking of synchronizing subtitles to Team Negative 1's release. It might be better if you applied the script to the video, opened it in VirtualDub, looked at the numbers, and scrolled through the video to those points.

Working out how to use this sort of information is something that we need to consider. Let's hope someone thinks of something.