I guess I use V3 because it's anamorphic.
Maybe you're right, maybe I should use the official GOUT discs, because I have those too. I didn't know there was any cropping difference, however small.
Here's my first test with the high-res images: http://originaltrilogy.com/forum/topic.cfm/Cropping-the-Original-Trilogy-35mm-vs-dvd-gout/post/595901/#TopicPost595901