OOP

UK BFI Blu-ray is very similar to Germany Capelight Blu-ray but Capelight is slightly more sharpened see caps

Both Kino Lorber and Twilight Time OOP Blu-ray suffer from Quicktime Gamma Bug see caps

The UK disc has supposedly had some revisionist changes done along with DNR. The disc is OOP. Tentative alternative is Criterion DVD

MoC OOP Blu-ray is slightly better than Olive Films OOP Blu-ray

The full disc seems to be available on Internet Archive

While no comparison available, Twilight Time Blu-ray is OOP and reviewers say the transfer is likely the same

Kino Lorber Blu-ray is minimally better encoded than Twilight Time OOP Blu-ray see caps

US OOP Twilight Time Blu-ray > UK Paramount Blu-ray or US Inspired Blu-ray

The UK Blu-ray not only have some DNR applied, it's also squeezed and cropped: see comparison

The color contrast from Twilight Time is however possibly suffering the Quicktime Gamma Bug, but that's an easier issue to fix than DNR or cropped images.

BFI Blu-ray is better than the decade old OOP Shout! Factory Blu-ray, see DVDBeaver review http://www.dvdbeaver.com/film10/blu-ray_review_146/die_monster_die_blu-ray.htm

OOP US Monterey Video Blu-ray or OOP UK Second Sight Blu-ray share the same restoration, but no comparison available

HD Streaming is available otherwise

Also available on NFPF official SD Streaming https://www.filmpreservation.org/preserved-films/screening-room/a-time-for-burning-1966 which has better compression than PBS "HD" Streaming

UK Eureka Blu-ray marginally better than US Twilight Time OOP Blu-ray see caps

Arrow UK Blu-ray or Twilight Time US Blu-ray but OOP, no comparison

US RaroVideo Blu-ray or UK MoC Blu-ray has no discernible difference even though MoC has more bitrate, see caps Both OOP

Italy Eagle Pictures Blu-ray is also OOP, not English-friendly and has no caps for comparison.