hello Well it has been long time since i log in this forum, now i am back and i need some suggestion from u guys . my rig is -- intel i5 2500k(not oc now) intel mobo 8 gb ddr 3(1200 fsb) psu-corsair 550 wt corrently i am using amd R9 270(2 gb), now i am thinking about nvidia 1050Ti (4 gb)/ 1060(3gb) .. so will be there any bottleneck ? worth for update gpu ? i play in 1920x1080. Thanks in advance.