With a monitor a 1080ti would be a hard system to build for the price, here is this with a few hundred left over for you to buy whatever monitor youd like
PCPartPicker part list:
https://pcpartpicker.com/list/4ZXMRG
Price breakdown by merchant: https://pcpartpicker.com/list/4ZXMRG/by_merchant/
CPU: Intel - Core i5-8600K 3.6GHz 6-Core Processor ($279.89 @ B&H)
CPU Cooler: CRYORIG - H7 49.0 CFM CPU Cooler ($28.90 @ Newegg Marketplace)
Motherboard: ASRock - Z370 Extreme4 ATX LGA1151 Motherboard ($156.98 @ Newegg)
Memory: Corsair - Vengeance LPX 16GB (2 x 8GB) DDR4-3000 Memory ($188.99 @ Amazon)
Storage: Samsung - 850 EVO-Series 500GB 2.5" Solid State Drive ($149.99 @ B&H)
Storage: Seagate - Barracuda 2TB 3.5" 7200RPM Internal Hard Drive ($64.88 @ OutletPC)
Video Card: EVGA - GeForce GTX 1080 8GB FTW Gaming ACX 3.0 Video Card ($574.99 @ SuperBiiz)
Case: Corsair - 270R ATX Mid Tower Case ($69.99 @ Amazon)
Power Supply: EVGA - SuperNOVA G2 750W 80+ Gold Certified Fully-Modular ATX Power Supply ($107.89 @ OutletPC)
Operating System: Microsoft - Windows 10 Home OEM 64-bit ($88.89 @ OutletPC)
Total: $1711.39
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-11-14 22:19 EST-0500