panel lighting options?

This was a fun project, thanks to YouTube and a couple POA users I was able to get it done. Thank you! Before Difficult to see attitude indicator and manifold pressure, used my handy red flashlight while flying at night. Dome light was sporadically working. After Able to read all of the...

Which is preferred and why? Any downsides to wedge lights, will the sliding scale on the top of airspeed indicators for true airspeed display interfere?