Universal is releasing Hitchcock’s 1960 classic Psycho on Blu-ray on Wednesday. Looks brilliant. Someone claims that there is some edge enhancement. Perhaps, but if so it is extremely subtle.
Anyway, here’s my Blu-ray vs DVD comparison. A sample (one that shows perhaps the most extreme difference):
Incidentally, the art of grabbing exactly matching comparison frames can be difficult sometimes. A car disappearing off to the left at high speed makes this much easier.