If you're paying someone to calibrate your TV you're not watching your movies on your games console! You're buying a 4K Oppo or Panasonic
TV calibration, THX certified sticker and all, is about £230 and you may get it cheaper looking around. When you are spending £900+ for a TV, it may be worth it as what you get out of the box is usually not nearly close to what you want it to be... There are also a lot of suggested calibration settings from trusted review sites, reference images, and guides on DIY calibration which can already help things out a lot.
PS4, Xbox One, etc... are all good Blu-Ray players enough that the bottleneck will be your A/V receiver, your TV, and your speakers. Dolby Atmos and DTS-X support are likely just a FW update away too.
PS3's Blu-Ray player and SACD support classified it as a high-end player whose 1.5x playback with full video and audio quality playback and constant stream of upgrades made it one of the best Blu-Ray players around... Sony knows that dedicated Blu-Ray players allow you to overcharge... I mean have higher profit margins and decided it was not worth pushing UHD Blu-Ray playback on PS4 Pro... maybe PS5 if the format is not dead by then (hint: it won;t be, but of course it will be even cheaper and people with lots of income to spend on A/V... I mean early adopters will have already gotten a much more expensive Blu-Ray player). Next you will be asking me why Apple will not push the iPhone SE a lot harder marketing wise too

(they like where it is positioned, they do not want to highlight how close to the higher end iPhone devices it is...).
PSOne was also quite a good CD player for its time:
https://www.destructoid.com/playstation-1-the-audiophile-s-dream--32269.phtml