Sorry for jumping in so late, but here are my thoughts about your config:
Your gpuSpeedRenderTargetScale is only 0.35999… which makes the SteamVR dashboard (overlays) look ugly. The number here is based upon the value of “gpuSpeeedHorsepower”, which itself is based on the 10 gpuSpeed (gpuSpeed0 to gpuSpeed9) values that are generated by your GPU benchmark upon every SteamVRE startup. This is why I have mentioned many times to change all 10 gpuSpeed values to 1500 or 2000. It will push your gpuSpeedRenderTargetScale to 1.5 or at least 1.0 that looks way better in the dashboard.
Also, disable advanced supersample filtering. It does make a difference on clarity when looking at gauges etc. Especially when LargeFOV or/and PP is on.
This will be set automatically (or manually) by VR Experience of course.