as im into gaming now adays so i wanna upgrade my system not so high end but mid ranged , as of now ive amd fx 4100 with asus mobo m5a78lmlx, 8 gb corsair vengence ram and graphics card zotzc 750 non ti with 500 watt psu so can anyone tell me wether i can play high end games in this configuration or not and yes my monitor is lg 23 inch led please explain me what are the changes i can make in this rig for good gaming experience