Don't just test mouse lag. Test mouse jitter too.
- 1000, 2000, 4000, 8000 Hz polling
- Test with 600 Hz, 720 Hz, 1080 Hz display
- Harmonics of Display Hz vs Mouse Hz more visible
- Supersample mouse Hz by 2-4x+ if prioritizing visuals
- Left = 1000 Hz poll, Right = 8000 Hz poll