So I have a bought a S32A700 VA monitor. It was good in store, but once I brought it home, I understood why people do not like VA. It is actually an interesting device, the panel has zero color shift at normal viewing angles, good color calibration, very low smearing, but it is, as any other VA is absolutely unusable in Dark mode in Visual Studio (severe black crash). And also 32 inch is too much it turns out, and probably 27 actually is a bit too much too. 32 inch does improve productivity (+30%), but it emits so much light, it really strains eyes quickly. Also VA panels, it turns out have higher apparent brightness than measured, because when measured perpendicular to surface the calibrator would see less light, than the panel actually emits. The measured minimal brightness of the device is 63 nits (which is what I use on my 27 inch 4k's anyway), but it feels like 85 nits, due to higher brightness at angle.
With all the minuses VA has positives too: contrast is very good, and this makes watching videos and photos an absolutely different experience - they look way more real, and able to penetrate deeper into your attention span, so the have more significant emotional impact. If you watch you videos on anything with less 1500:1 contrast, you literally waste you precious time, not receiving all the emotions the creator wanted to convey.
So I made a decision to use it as a TV and see how it would go.
So, the conclusion:
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Do not buy VA for work. I had false belief they are better for eyes, due to limited experience. I was wrong.
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VA are ok for watching videos and low fps games.
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32 inch is big, and does improve productivity. However you really good lighting in the room. If you run it in a dim room, make sure that minimal brightness is 50 nits or less.
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Contrast is important. I have never tried an IPS black, nor I have budget for that, I have already wasted $1k on failed experiments, however it might work some people, and lower strain. High contrast is important not only foe video consumption, but also for reading.