Need help with Pc build

This is my first attempt at trying to build a gaming rig. This is what I have so far.

CPU: 
Intel Core i7-4790K Processor- BX80646I74790K ( $339.99)

CPU Cooler: 
Corsair Hydro Series Extreme Performance Liquid CPU Cooler H100i ( $97.16)

Motherboard:
ASUS Z97-A ATX DDR3 2600 LGA 1150 Motherboards Z97-A ( $143.99)

Memory: 
Corsair Vengeance Pro 16GB (2x8GB) DDR3 2133 MHz (PC3 17000) Desktop, Red ( $169.99)

Hard Drive:
Seagate Desktop HDD 4TB 5900RPM SATA 6Gb/s 64MB Cache 3.5" - Internal Drive Retail Kit (STBD4000400) (
$169.99)

Video Card: 
EVGA GeForce GTX780 SuperClocked 3GB GDDR5 384bit, Dual-Link DVI-I, DVI-D, HDMI,DP, SLI Ready Graphics Card (03G-P4-2783-KR) Graphics Cards 03G-P4-2783-KR ( $529.99)

Case:
Corsair Obsidian Series 750D Performance Full Tower Case CC-9011035-WW ( $149.99)

Power Supply: 
Corsair CX750 Builder Series ATX 80 PLUS Bronze Certified Power Supply ( $69.99)

Optical Drive: 
LG Internal UH12NS30 BD-ROM Blu-ray Optical Drive  ( $39.99)

SSD: 
Kingston HyperX 3K 240 GB SATA III 2.5-Inch 6.0 Gb/s Solid State Drive SH103S3/240G ( $139.99)

Operating System:
Microsoft Windows 8.1 - Full Version ( $105.60)


Any and all suggestions are welcomed :)


You might want to look at nzxt h440 case.you might like it.and if you are only gaming,look into amd r9 series gpu's. you'll get more for the price.and have a hard drive bottleneck right there go for atleast 7200 rpm drive like wd caviar blue.if you can spend more.wd black is best.and for gaming go for asus maximus vii hero board.

I think that CPU is overkill I would get a i5 for gaming and a i7 for media (& gaming)

 

I recently sold my R9 AMD GPU's and gone back to nvidia due to heat so I suggest sticking with the 780

 

 

Budget? What is it used for?