Well, if someone has thinking in buying one of the yet-to-be-launched G-Sync monitors, maybe you should think twice because DisplayPort 1.2a will do if not the same, something very similar
http://techreport.com/news/26451/adaptive-sync-added-to-displayport-spec
Please excuse my bad English.
Currently gaming on a PC with an i5-4670k@stock (for now), 16Gb RAM 1600 MHz and a GTX 1070
Steam / Live / NNID : jonxiquet Add me if you want, but I'm a single player gamer.