Looking for help to build a gaming PC

[Yahbe]

Hey guys! Looking to build a PC and budgets around 2,500.. was thinking abt the gtx 1070 but ill take whatever is the best build.. if anyone has a build for the budget please post.. not sure what i should be looking for with this budget! Looking to play all ultra and maybe 4k if able to reach it.. thanks for your help!!

 

[ryguybuddy]

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i7-6700K 4.0GHz Quad-Core Processor ($328.99 @ SuperBiiz)
CPU Cooler: Corsair H100i v2 70.7 CFM Liquid CPU Cooler ($92.99 @ Newegg)
Motherboard: Asus Z170-A ATX LGA1151 Motherboard ($137.98 @ Newegg)
Memory: G.Skill Ripjaws 4 Series 16GB (2 x 8GB) DDR4-3000 Memory ($79.99 @ Newegg)
Storage: Samsung 850 EVO-Series 500GB 2.5" Solid State Drive ($164.99 @ Newegg)
Video Card: Gigabyte GeForce GTX 1080 8GB G1 Gaming Video Card (2-Way SLI) ($594.99 @ Amazon)
Video Card: Gigabyte GeForce GTX 1080 8GB G1 Gaming Video Card (2-Way SLI) ($594.99 @ Amazon)
Case: Phanteks Enthoo Pro ATX Full Tower Case ($95.98 @ Newegg)
Power Supply: EVGA 750W 80+ Gold Certified Fully-Modular ATX Power Supply ($105.49 @ SuperBiiz)
Total: $2196.39
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-11-12 23:42 EST-0500

Under budget and should play ever game under the sun at 4K smoothly.

 

[Yahbe]

Ok i think i have a XFX 800w Platinum Certified PSU so should i change it or keep it? And should i get the Titan X or stay with the 2 1080's and sli them? I know its would be about the same price for both as it would the Titan X..