I use 1366x768 , 16:9
That's a bit low, since LOD switching is also affected by the overall resolution, and we kind of optimized the scenery for a 1080p display. The issue is, those users with low res display are typically those that could benefit more from any fps optimization.
Have you tried zooming in just a little bit ( by pressing Shift +, to go in in smaller zoom increments ) ? Maybe you can find a setting that is high enough to let the markings appear, and still be able to read the instruments.