For a nice stable gaming rig ready for the future at a nice price, i would recommend:
Mainboard with H97 or Z97(if you want overclocking) Chipset
Intel Core i5 4690k or i7 4790k
16GB 1600 RAM
NVidia GeForce GTX 970 or 980
256GB SSD + 1TB HDD
750W Power Supply
Tower: Fractal Define R5