In that Gears thread you said Full screen borderless window mode gives a performance loss. I actually have to use that because if I don't then I have to enable Vsync which gives me horrible frame and input lag, if I turn it off I get screen tearing everywhere which makes FSBWM the only alternative until I get that G-Sync and so far for games like Dying Light has been amazing for me in terms of no input lag, screen tearing or frame buffering.
Mankind, in its arrogance and self-delusion, must believe they are the mirrors to God in both their image and their power. If something shatters that mirror, then it must be totally destroyed.