Before I start i should note i havent watched an actual dvd/bluray/uhd bluray in years. I've be ripping/remuxing everything I own on to my personal media server since probably 2011 or so.

I havent had a format i didnt like yet so thats good but from my most loved to the 'just liked' the list is:

1- UDH bluray:
Picture quality is 10/10
- 35mm film scans look amazing in UDH as do modern transfers that had a udh intermediate. Even films mastered in
2k get a nice boost thanks to HDR
- Thankfully DNR is starting to be dialed back or done away with on most of the releases I get of older movies on uhd.
- Lossless sound tracks are on it, as well as PCM in some cases from my understanding
- half assed sound remixes done only for marketing are not as rampant on this as they were on dvd and normal bluray.
And even the movies that do have them usually have the original sound track. And well done remixes on older movies
that rival or best the original are starting to be a thing again

2- Laserdisc :
picture quality (today/ on my udh TV) 6/10 (back in the day/ on my SD crt) 9/10
- mostly faithful film transfers. Looks awesome on my crt over svideo and composite. Looks good enough on my UDH
tvs too. Still the best way to watch some movies, DNR wasnt as over used back then too.
- if the original stereo/mono track wasnt lifted from the film to be used on a laserdisc it was given a proper remaster
not a cheaply done 5.1/7.1/atmos mix for marketing buzzwords.
- Introduced DD 5.1 and DTS surround sound, some times times the same non near field mixes the theaters got.
- on my dual side player I put the disc in and hit play. no menu bs to deal with and i can fast forward beginning ads

3- bluray(1080p):
Picture quality : 8.4/10. tops out at 1080p which is meh for film transfers these days an movies with 4k intermediates
but with so many films being/having been shot in 2k or intermidiated in 2k its good enough. However... DNR really took
off here(in my buying experience) and made a lot of films in to a textureless living wax museum
audio : same formats as udh, everything, so unless they do a dumb and put the DD track from the dvd on it instead of
the losses track they should the sound quality will still be great! unfortunately there are a lot of remixes/upmixes of
sound tracks from (mostly, but not all, older) films done purely for marketing BS, with no sign of the original track on
it. So yeah thats a BIG nope there against those releases. but on newer films its fine and pretty dang great sounding.
BUT on releases that didnt do a crappy remix it so nice here. Ether lossless surround sound, lossless stereo, and on my
gundam dvds straight PCM! Thankfully newer releases are easing off only having a meh remix available

4- vhs(a shocker I know!)
picture quality : (today) big ole 5/10 for well taken care of tapes less for others. (in the day and on my sd crt) 7/10. It
got the job done, got physical media and their players into peoples homes. Also had recording, something that (easily
for the common grandma/grandpa) the others dont and put when we watch the shows in our hands.
audio: on non long play tapes it was ok. Though once hifi became a thing on VHS man it was pretty nice. Close to cd
quality right on my vhs player. Also usually had the stereo/mono track right from the film on it. Honestly on both vhs
and laserdisc their audio quality(if done right) is probably their biggest modern strength.
Put the disc in and hit play. no menu bs to deal with and i can fast forward beginning ads

5 - DVD
picture quality: today eh 7/10, progressive scan players/remxes make a big difference man. in the day/on my crt
8/10 to 10/10 depending on the transfer. Im still impressed by how good some of the transfers are, especially
compared to badly DNR'd blurays and later releases
audio: a REALLY mixed bag, some films got new remixes to market DD 5.1 as a big feature. So the meh af remix for
marketing started here, as did shipping films with just the remix keeping the original mix from our ears from then til
now in a lot of cases. But for the films that already had(or could simulate) a 5.1 track, be it they were made in the
with a 5.1 6 channel magnetix mix on 70mm film 4.2 baby boom 70mm magnetic with the surround mirrored and the
.2 all sent to the .1, even taking the 4.0 stereo matrix and just mirroring the surround like disney did for a some
ghibli movies, and of course the native DD/dts movies. Yeah those sounded great! For the few stereo only releases
on dvd though, they were really done wrong. 192kb bit rate, just disgraceful. Especially when the same sound track
on laserdisc would be pcm, and the dvd had room to do a stereo only track/movie at 448kb like for surround sound.

and thats all ive done so far. Maybe i'll get to try more in the future

Nice review. Can you tell about your setup a little bit? I assume you use Plex or similar as media serves/streamer?