New build 860$. What would you change?

hello,

I wanted to know what you think this configuration.

  [url = http://pcpartpicker.com/p/l72q] [/ url]

-I will buy it this week or next
-Want to spend about $ 860
-I will use it for gaming, virtual machine, autocad, internet, office ... every day.
-Buying a monitor: No
-Need to buy an OS: No
-Preferred Websites for Parts: amazon.com or pccomponentes.com
-Location: Madrid, Spain
-Overclocking: yes, I want to overclock the i5 3570k to 4.6 Ghz
-Crossfire: I will not in principle
-Your Monitor Resolution: 1680 x 1050
-Additional Comments: I like to play the highest quality you can. I want to be quiet and well cooled.
-The power supply will use the one I have now => Corsair VX 550W

With these requirements, what would you change the configuration?
 
thanks
regards