You have a few options. Two EXAMPLES:
1) 2560x1440, IPS, 25", 60Hz
https://pcpartpicker.com/product/T8dFf7/dell-monitor-u2515h
2) 1920x1080, TN, 24", 144Hz
https://pcpartpicker.com/product/rkphP6/asus-monitor-vg248qe
IPS gives better color and viewing angles though some TN panels come close. With TN you get the option of 144Hz (for 1920x1080; you can also get IPS at higher resolutions but it costs a lot more).
So...
I personally prefer the 1st choice as my priority is the higher RESOLUTION which helps the desktop, web browsing and many games. Games like CIV5 like far better at 2560x1440, whereas games like Skyrim don't matter as much.
It helps with game HUD, text, and anti-aliasing (reduce jagged edges).
You do NOT have to run a game at 2560x1440 so processing power isn't an issue though there are many games that the GTX1060 can do that quite well.
Having a high REFRESH RATE can help reduce obvious screen tearing with VSYNC OFF, though you will have to understand when you should force on the "Half Refresh Adaptive VSync" option for a game:
NCP-> manage 3d settings-> program settings-> add game -> (change setting)-> save
I use "Adaptive VSync" for a few games even at 60Hz so it disables VSYNC if my GPU output falls below 60FPS (to avoid added stuttering). I use it in AC Unity for example and tweak my game settings so I only drop about 5% of the time.
The "Half Refresh" option is good for if the screen tears are annoying (VSYNC OFF) on a 144Hz monitor so you instead synch to 72FPS (adaptive).