More PPD for detailed display

I hope more PPD for a detailed display.
I often play flightsimulator that need to read many gauges and HUD.
I know that swappable lenses are being considered as a means to that, but it may be difficult within the period.
http://community.openmr.ai/t/do-you-have-prefer-this-option-switch-fov/3459/270
Instead, I will suggest some means. Are these achievable?

1)Equirectangular projection rendering.
Current 8K rendering is Rectilinear projection, I think.
It is seems to use more than harf of pixcels for small outerside view.
Its not effective.
More pixels should be used for center of view.

2)Native 4k input option for more PPD. Trade-offs with FPS.
Forexample, input 3840*2160 per eye @ 60Hz.

3)No upscale option, for more PPD. Trade-offs with FOV.
Input 2160*2160 per eye, and display it innerside of LCD without upscale.
Its mean outside of LCD is black.
Of course horizontal FOV become narrow, but more detailed display.

4)No upscale option, for more PPD. Trade-offs with FOV. It is similar as above.
Input 2560*1440 per eye, and display it innerside of LCD without upscale.
Its mean around of LCD is black.
Horizontal/vertical FOV become narrow, but more detailed display.

What do the PIMAX team and everyone think about?
I am sorry if it was a previous topic.

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