Gaming PC 900$ Budget

[blade2697]

I need a gaming PC that has >900$ dollar amount. I want it to be able to run all the current games (Battlefield 3, Metro Last light, Metro 2033, black ops 2, DayZ (MAJOR ONE!), Arma 3, Arma 2, arma 2 combined ops. I also need Operating system (Windows 7 home premium 64-bit) a monitor and a key board. NO MOUSE.
21 or higher monitor size (LED back-lit, Widescreen please)

Thanks in advance!!!

 

[blade2697]

Intel is preferred (i5 3570k )

 

[blade2697]

Overclock too please unless its more expensive