Make that 3.
With 2 monitors, either you have the seam in the middle or they are off-center, which is bad for your neck.
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I have 3 monitors since 2009 and I could not work without them now.
My main one in the center is a 23" 16:9, on which I play games and do any graphic work.
On each side is a a 19" 4:3, they are the same height as the 22". I open secondary windows on them: Photoshop toolbars, signal charts or maps when running TS2015, etc.
Just pop in an old video card for the secondary monitors, use your GFX 760 for your main.
Here's my setup:
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