PCPartPicker part list: https://pcpartpicker.com/list/dtnzYT
Price breakdown by merchant: https://pcpartpicker.com/list/dtnzYT/by_merchant/
CPU: Intel - Core i5-8400 2.8GHz 6-Core Processor ($178.90 @ OutletPC)
Motherboard: MSI - H370 GAMING PLUS ATX LGA1151 Motherboard ($123.98 @ Newegg)
Memory: G.Skill - Ripjaws V Series 16GB (2 x 8GB) DDR4-2400 Memory ($157.99 @ Newegg)
Storage: Samsung - 850 EVO-Series 120GB 2.5" Solid State Drive ($118.75 @ Newegg Marketplace)
Storage: Seagate - Barracuda 2TB 3.5" 7200RPM Internal Hard Drive ($59.79 @ OutletPC)
Power Supply: EVGA - SuperNOVA G3 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($96.88 @ OutletPC)
Operating System: Microsoft - Windows 10 Home OEM 64-bit ($119.98 @ OutletPC)
Total: $856.27
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-04-05 16:02 EDT-0400
It's for gaming. I don't have monitors yet, i'm planning on getting a 1080p 60Hz one. Prices are in USD.
Edit: I'm yet to decide what GPU to go for, will probably get a 1070 or it's "next gen" equivalent.