I would think this is exactly the same as just sitting further from your monitor, except for the resolution you are losing out on.

Turning your desk longways and putting monitor on end would almost seem a better solution.

"Does this have an impact on sens and accel"

I would think not. The mouse movement, or camera, or direction you are aiming, whatever you want to call it. It is not affected by resolution at all. Thats what I was told anyway.

The direction you look is like coded in angles. There are 16bits worth of angles, that is 65535 possible dirctions you can look within a 360 degree circle. It has nothing to do with pixels or screen at all. Thats what I was told anyway, because I used to think the mouse was snapping to pixels and somebody schooled me on it.

So if your resolution was 2*2 pixels, technically even that would not affect your sensitivity. But dont quote me on that. Ask Yakumo or something.

"Also does it screw up with the sharpness of the pixels?"

Dont know. Non-native res is usually more blurry

I wouldnt think cg_viewsize causes any scaling to happen tho, maybe on the hud but the 3d part should just be fitting into the window at the current resolution.

Actually the hud stays exactly the same, the black borders cut throught the hud.

As far as putting the monitor further, I don't have enough space for that.

Just grab a tape measure and check