_,,,^..^,,,_ said:
Let's say that BD 4K has the "right" color grading, but it has also contrast problems, while the BD pre-4K has the right contrast, but not the color grading... well, as the contrast problems could not be completely solved, we could just regrade the BD pre-4K using the BD 4K as color reference...
No. The 4k has the best contrast of all the released discs. The pre-4k blu-ray is the one with contrast problems (the frequently blown out whites are clearly wrong). In the comparison shot you posted, you can clearly see that both faces and the smoke are overexposed in the pre-4k blu-ray. In another comparison shot from page 3 of this thread you can see that the pre-4k bluray looks atrocious with ridiculous blooming whites, while the 4k remaster has natural contrast that preserves detail.
The 4k blu-ray is the best home media release of the film. The only reason this thread got restarted is that jedimasterobiwan thinks the 1999 DVD is somehow more accurate.... or something..... I don't really understand how he thinks.