I'm currently in the process of building a new gaming rig. I've put these components down for what I'm going to use. The games I'd mostly be playing is Arma 2/3, Battlefield 4, Crises 3
Specs:
Intel Core i7 4770 Haswell 3.4Ghz 8MB Socket 1150
Asus/Intel/Gigabyte Intel H87 Chipset Motherboard
8GB(8Gb x1) DDR3-1600 High Performance
1TB Reliable/Performance Harddrive
Nvidia Geforce GTX 760 2Gb GDDR5 Advanced Memory
Specs:
Intel Core i7 4770 Haswell 3.4Ghz 8MB Socket 1150
Asus/Intel/Gigabyte Intel H87 Chipset Motherboard
8GB(8Gb x1) DDR3-1600 High Performance
1TB Reliable/Performance Harddrive
Nvidia Geforce GTX 760 2Gb GDDR5 Advanced Memory