FYI, I built a new machine using an i7 4770 and a mobo with vga, hdmi, displayport, and dvi. I just received my third monitor today, a Dell 2412M, and plugged it in via displayport. The other two monitors are 23" 1080p monitors.
I'm running Mint 15 x64 with Cinnamon, and version 3.9x of the...