~1000 dollar first time budget build

[natural]

Approximate Purchase Date:
Within a month

Budget Range:
900-1000 dollars

System Usage from Most to Least Important:
All Gaming

Are you buying a monitor:
No

Do you need to buy OS:
No

Preferred Website(s) for Parts:
Amazon, Newegg

Location:
US

Overclocking:
Maybe

SLI or Crossfire:
No

Additional Comments: Should I get a different case? Or if i stay, should i get coolers or keep the ones that the case comes with? Also, since the i5 2500k only supports up to 1333 speed of RAM, how do I make it work on 1600?

Mobo: ASRock Z68 Extreme3 Gen3
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157271

CPU: Intel Core i5-2500K
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072

RAM: G.SKILL Ripjaws X Series 8GB (2 x 4GB)(1600)
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231428

GPU: MSI Radeon HD 7850
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127663

HDD: Western Digital Caviar Blue 500GB
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136769

Optical Drive: Asus 24x DVD Burner
http://www.newegg.com/Product/Product.aspx?Item=N82E16827135204&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&AID=10446076&PID=4176827&SID=poy82sm9j4fh

PSU: CORSAIR Builder Series CX600 V2 600W
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139028&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&AID=10446076&PID=4176827&SID=1ijrbd9skyyjf

Case: NZXT LEXA S LEXS
http://www.newegg.com/Product/Product.aspx?Item=11-146-060&SortField=0&SummaryType=0&Pagesize=10&PurchaseMark=&SelectedRating=-1&VideoOnlyMark=False&VendorMark=&IsFeedbackTab=true&Page=2#scrollFullInfo

 

[batuchka]

Going simple stock/NO OC one could get a GTX 670 based gaming rig under $900 even

 

[TheBigTroll]

i didnt have enough room to bump your video card up to a gtx670 so i got you a SSD instead

http://pcpartpicker.com/p/bHXH

plays all your games at ultra with 50+ fps