Gaming PC build [UK]

Build Help

I'm building a gaming computer, and I've got a total budget of £2000 including monitor and OS (I already have a mouse and keyboard) So far I've put together this parts list:

PCPartPicker part list / Price breakdown by merchant

Type	Item	Price
CPU	Intel Core i5-6600K 3.5GHz Quad-Core Processor	£224.97 @ Amazon UK
CPU Cooler	be quiet! Dark Rock Pro 3 67.8 CFM Fluid Dynamic Bearing CPU Cooler	£61.54 @ Amazon UK
Thermal Compound	Arctic Silver 5 High-Density Polysynthetic Silver 3.5g Thermal Paste	-
Motherboard	EVGA Z170 FTW ATX LGA1151 Motherboard	£203.27 @ Amazon UK
Memory	Corsair Vengeance LPX 16GB (2 x 8GB) DDR4-3000 Memory	£74.99 @ Amazon UK
Storage	Samsung 850 EVO-Series 500GB 2.5" Solid State Drive	£114.17 @ Amazon UK
Storage	Western Digital BLACK SERIES 2TB 3.5" 7200RPM Internal Hard Drive	£99.99 @ Amazon UK
Video Card	Gigabyte GeForce GTX 980 Ti 6GB Video Card	£569.99 @ Amazon UK
Case	Cooler Master MasterCase Pro 5 ATX Mid Tower Case	£114.95 @ Amazon UK
Power Supply	EVGA SuperNOVA P2 750W 80+ Platinum Certified Fully-Modular ATX Power Supply	£112.37
Operating System	Microsoft Windows 10 Home OEM (64-bit)	£85.54
Monitor	BenQ XL2430T 144Hz 24.0" Monitor	£259.02 @ Amazon UK
Other	Genius GX SW-G2.1 2000 Professional Gaming Speakers	£68.62
Prices include shipping, taxes, rebates, and discounts
Total	£1989.42
Generated by PCPartPicker 2016-04-15 00:51 BST+0100

Any feedback would be greatly appreciated, and any way I could improve this build while (ideally) remaining within the £2000 price constraints. This computer will be mainly used for gaming with some very light photo editing.

Posted Apr 15, 2016, 2:05 AM UTC