Hi with this u could easy run bf4 on ultra settings and all other games.
CPU:http://www.amazon.com/AMD-FD8350FRHKBOX-FX-8350-FX-Series-Edition/dp/B009O7YUF6/ref=sr_1_2?ie=UTF8&qid=1391122947&sr=8-2&keywords=amd+fx+8350
GPU:http://www.amazon.com/Gigabyte-GDDR5-2GB-2xDVI-Graphics-GV-R927XOC-2GD/dp/B00FONITCE/ref=sr_1_1?ie=UTF8&qid=1391122858&sr=8-1&keywords=amd+radeon+r9+270x
RAM:http://www.amazon.com/G-Skill-PC3-12800-1600MHz-9-9-9-24-F3-12800CL9D-8GBRL/dp/B00339X1EM/ref=sr_1_3?ie=UTF8&qid=1391123445&sr=8-3&keywords=G.SKILL+8+GB+RIPJAWS
Motherboard:http://www.amazon.com/ASRock-970-EXTREME3-SB950-DDR3/dp/B005POPRG8/ref=sr_1_3?ie=UTF8&qid=1391123834&sr=8-3&keywords=Asrock+970+Extreme3+R2.0
Storage:http://www.amazon.com/Seagate-Barracuda-3-5-Inch-Internal-ST500DM002/dp/B005CT56R6/ref=sr_1_2?ie=UTF8&qid=1391123685&sr=8-2&keywords=hdd+500gb
PSU:http://www.amazon.com/Corsair-Enthusiast-Certified-Compatible-platforms/dp/B004LB5AZY/ref=sr_1_1?ie=UTF8&qid=1391123130&sr=8-1&keywords=corsair+650w
CPU:$199.99
GPU:$267.89
RAM:$89.07
MOTHERBOARD:118.00
STORAGE:44.00$
PSU:79.99$
=798,95=
If u want u can take that too bud u can instal your windows with USB stick if u have one..
+ For Cds,DVDs ect. :http://www.amazon.com/LG-Electronics-Optical-Drive-GH24NSB0B/dp/B00EUAFAF6/ref=sr_1_1?ie=UTF8&qid=1391123179&sr=8-1&keywords=optical+lg+cd
798,95
+$21.13
=820,08=
If u dont need keyboard os ect..