Yesterday I was working transitions in dry fire using the standard 3 target array at a simulated 15 yards. The targets I was using had the A zone box lines darkened with a black pen. I did this to make it easier to reference where my sights were as I sped through the drill.
It got me thinking, is there any value to darkening the lines (Sharpie) for drills over 15 yards, at least for the first session with a new drill? Obviously it wouldn't be something you always want to do, but I did see some value in dry fire yesterday. I am thinking it might help your timing without going full blown accuracy/bullseye mode.