PCPartPicker part list:
https://pcpartpicker.com/list/nYCpJV
Price breakdown by merchant: https://pcpartpicker.com/list/nYCpJV/by_merchant/
CPU: Intel Core i5-7500 3.4GHz Quad-Core Processor ($188.99 @ SuperBiiz)
Motherboard: Gigabyte GA-B250M-DS3H Micro ATX LGA1151 Motherboard ($69.99 @ B&H)
Memory: Patriot Viper 4 8GB (2 x 4GB) DDR4-2400 Memory ($56.69 @ Amazon)
Storage: PNY CS1311 240GB 2.5" Solid State Drive ($79.99 @ Jet)
Video Card: EVGA GeForce GTX 1070 8GB SC GAMING ACX 3.0 Black Edition Video Card ($374.00 @ Amazon)
Case: BitFenix Nova ATX Mid Tower Case ($49.98 @ NCIX US)
Power Supply: SeaSonic S12II 520W 80+ Bronze Certified ATX Power Supply ($47.89 @ B&H)
Operating System: Microsoft Windows 10 Home OEM 64-bit ($89.98 @ NCIX US)
Total: $957.51
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-04-07 10:19 EDT-0400
I bit over budget but very good. You could downgrade and save money and go with a RX 480 or 1060