No problem, I can wait plus 10-15 years. bring it on!

the thing about "CGI quality" is advances in technology makes that a target that is moving forward just as fast as consoles are. it is an unacheiveiable goal even though todays games look better than early pixar work.

It all depends on whether there are enough 4K households. Consoles never target the elite, they are mainstream products. Wouldn't make sense to make the product a lot more expensive for 4K when only a few % of their users can enjoy it.

That said, if next gen starts in 2019/2020, the consoles will have the equivalent of mid to high end gpu's of 2017/2018. So if in 2-3 years there are $200-250 cards that can easily take on 4K at 30fps, it's prolly what the PS5 will be able to do.

I guess there's gonna be a fair bit of 1440p/other weird resolutions too.

Well he's right. Current consoles can't do global illumination yet, Watch dogs had to downgrade the lighting, Witcher 3 couldn't even do it on pc, real time ray tracing is even further away. For that to work on 4K, 3 more generations seems about right.
CGI in movies still isn't there either though. Lighting and animation still gives it away.

Still waiting on that promise you made 15 years ago sony: " PlayStation 2, though, is claiming to be able to handle 50 times more 3-D image data than the Dreamcast, allowing it to create characters similar in appearance to those in the Walt Disney film "Toy Story.""

Gonna have to disagree here. Sony made PS3 more expensive by pushing blu-ray, and only a small percentage, at the time, had HD tvs. And, despite how everyone will say "PS3 had a terrible launch", at the same point in its lifespan, for the entirety of its lifespan to boot, it sold faster than 360 (it's a fair point to make since whenever XBOne numbers come up "selling faster than 360" comes up. No, I'm not trying to derail the thread into PS4vXB1, I was using a comparable statistic). 

The strategy is to force the technology into people's households and make it mainstream, which then reduces prices, which then makes them even more mainstream. PS3 was out for a year, and blu ray players dropped from $1200 to $500, HD tvs subsequently became mainstream, thanks in part to HD gaming in general, so a lot more investment went into them, thus dropping prices on those very quickly as well. 

Make the content available and desirable, and people will eat it up. 

Well, PCs are used for more than games, and are a standard device in today`s society, it`s it not like PCs would cease to exist if games become too costly for people to make. They would become just standard PCs for other everyday uses.

I`m okay if we don`t reach these even higher visual advances, as graphics don`t play a major part in things I enjoy about games, and as games become even more demanding, I fear it will only increase the budget in games, which would make for less risk and more of the safe titles we`re used to seeing. I don`t think we need to see the industry rush that quickly to these levels of visuals.

Agreed, but PS3 was different, they had a format war to win. 4K isn't something they solely developed nor own. Besides I think they'll make PS4 4K bluray compatible soon.

Maybe they'll announce a 4K ps4 slim next year, but I doubt the current model can be upgraded by software to read 4K discs. HDMI 14 can already output 4k at 24 fps so that's not the problem (60 fps is out though), yet I don't think the current blu-ray player can read more than 2 layers. It might not be fast enough either, 6x CAV is only equivalent to 2.5x CLV at the inner edges which is max 90 Mbps.
The new 4K Blu-ray drive players will be able to extract data from discs at 82 megabits per second for 50GB discs, 108Mbps for 66GB discs, and 128Mbps for 100GB discs (triple layer).
So the current ps4 can only be patched to read the lowest spec 4k blu-ray discs.

I wonder though why Sony isn't pushing their 4K streaming service on the ps4. Perhaps it needs a hardware decoder for HEVC and or HDCP 2.2 copy protection.

I'm expecting a new ps4 4k model next year.