Hello, I want to link up 3 monitors with my sli gtx 670's my 1st monitor main one is a benq 1920x1080 120 hz 3d monitor, i want to get two more monitors which will be Asus LED Monitor Full HD 1920x1080P 60hz i know the asus is not 3d i will not be using 3d apps, what i need to know is can i do the setup with those 3 monitors or do they all have to be the same for good affects?