First Build need Help

[preynolds2]

What do we think?
What am I missing?
What should I replace?

Mostly for gaming and video editing...

Already have OS (win 7), 3 TB HDD, mouse/keyboard & DELL 24" monitor


PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i7-4770K 3.5GHz Quad-Core Processor ($304.99 @ NCIX US)
CPU Cooler: Corsair H100i 77.0 CFM Liquid CPU Cooler ($97.16 @ Amazon)
Motherboard: MSI Z87-G45 Gaming ATX LGA1150 Motherboard ($149.99 @ NCIX US)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($79.99 @ Newegg)
Storage: Samsung 840 EVO 250GB 2.5" Solid State Disk ($145.99 @ Amazon)
Video Card: EVGA GeForce GTX 770 2GB Video Card ($349.99 @ Amazon)
Case: Fractal Design Define R4 w/Window (Black Pearl) ATX Mid Tower Case
Case Fan: Fractal Design FD-FAN-SSR2-140 66.0 CFM 140mm Fan ($10.99 @ Newegg)
Case Fan: Fractal Design FD-FAN-SSR2-140 66.0 CFM 140mm Fan ($10.99 @ Newegg)
Case Fan: Fractal Design FD-FAN-SSR2-140 66.0 CFM 140mm Fan ($10.99 @ Newegg)
Power Supply: Corsair Professional 750W 80+ Gold Certified Semi-Modular ATX Power Supply ($114.99 @ Amazon)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($19.98 @ OutletPC)
Total: $1296.05
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-02-18 22:48 EST-0500)

 

[Dangman]

It would help if you answered the sticked "ANSWER THESE QUESTIONS FIRST!" so that we can help you better.

Also, which Windows 7 edition do you have? Home Premium? Pro? 32bit or 64bit?