Hi i've played Dayz like one year now and i'm getting 5-25fps on Dayz Origins so i'm going to upgrade my pc to play games like Dayz, BF4 and maybe Assassin's Creed 4. This is my current gaming rig. GPU: Asus GTX660 2GB CPU: AMD Phenom II X2 555 Black Edition 3.2GHz RAM: 4GB (can't remember what brand) MotherBoard: Asus M4N75TD Xtreme Desing I thought upgrade to this GPU: Asus GTX660 2GB (Same) CPU: Intel Core i7 4770K 3.5 GHz LGA1150 RAM: G.Skill RipjawsX DDR3 1600 Mhz 8 GB X 2 (16GB) MotherBoard: Gigabyte Z87P-D3 Intel Z87 LGA 1150 ATX Will this gaming rig perform well in those games? especially Dayz. and is it worth of buying (I will spend around 450€). and also will this be balaced gaming rig like there isn't much bottlenecking thanks :)