Here’s my regrade of one of the difficult lobster shots:
Bluray:
Bluray regraded:
Here’s the LUT for this shot, for those who are interested:
https://drive.google.com/file/d/0B8_LYKyZDiajZXJaTnpKLXlMdWc/view?usp=sharing
You got some artifacting on the lobster’s arm there.