My First Gaming PC Build. How is it?

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Dec 8, 2013
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Is there anything i should upgrade, change etc? Please let me know!

CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor

GPU: EVGA GeForce GTX 770 2GB Video Card

Motherboard: MSI Z87-G45 Gaming LGA 1150 Intel Z87

Memory: CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3

CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler(for overclocking)

Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive and SAMSUNG 840 EVO MZ-7TE120BW 2.5" 120GB SATA III TLC Internal SSD

Case: Rosewill THOR V2 Gaming ATX Full Tower Computer Case

Power Supply: CORSAIR CXM series CX750M 750W ATX12V v2.3 SLI Ready CrossFire Ready 80 PLUS BRONZE Certified

Optical Drive: LG GH24NS95 DVD/CD Writer

OS: Microsoft Windows 7 Home Premium SP1 64-bit - OEM
 

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Dec 8, 2013
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Should i just switch the CPU and Mobo completely?
 

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Dec 8, 2013
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Ok thanks. How well would this pc play games? Im going to be playing games like arma 3, arma 2, but mostly arma 3.
 

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Dec 8, 2013
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Sorry for so much questions. Would you recommend a case that will have a lot of room for future upgrades and such? Thanks.