70s/80s/90s 4k blu rays that are worth the upgrade?

[Gargus]

Wife and I are going to get a 4k player because of the holidays sales. We have been eyeballing a few movies to get in 4k like hereditary, die hard, predator collection, dark crystal.

What i wanted was some recommendations on some for us to check out. We arent like diehard cinephiles. We dont want to upgrade a blu ray just because of some semi noticeable differences. So were looking for 4ks that have a noticeable upgrade to them.

To help narrow down reccomendations for us here are some guidelines

Our favorite time period is 70s/80s and some of the 90s.

We like horror, scifi, and just strange movies in general.

Thanks.