Opinions Wanted on First Gaming Build

Hello, this is my first ever build. I'm intending to use it for purely gaming. Price range is 1500-2000 AU. Any opinions on potential improvements for the build would be greatly appreciated.

Thanks

CPU: Intel Core i5-6600K 3.5GHz Quad-Core Processor ($350.00 @ Centre Com)
CPU Cooler: CRYORIG H7 49.0 CFM CPU Cooler ($55.00 @ PCCaseGear)
Motherboard: ASRock Z170 Pro4 ATX LGA1151 Motherboard ($189.00 @ IJK)
Memory: G.Skill Ripjaws V Series 8GB (2 x 4GB) DDR4-2400 Memory ($85.00 @ IJK)
Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive ($134.00 @ Centre Com)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($69.00 @ Centre Com)
Video Card: MSI GeForce GTX 970 4GB Twin Frozr V Video Card ($519.00 @ IJK)
Case: NZXT H440 (Black/Red) ATX Mid Tower Case ($179.00 @ CPL Online)
Power Supply: EVGA 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($129.00 @ CPL Online)
Total: $1709.00