For $1000, you could get a 1070/Ti and an SSD. Don't just buy from a single store, buy the parts from wherever it's cheapest.
A bit over $1000.
PCPartPicker part list / Price breakdown by merchant
CPU: AMD - Ryzen 5 1600 3.2GHz 6-Core Processor ($197.48 @ OutletPC) Motherboard: Asus - PRIME B350-PLUS ATX AM4 Motherboard ($69.99 @ Newegg) Memory: G.Skill - Aegis 8GB (1 x 8GB) DDR4-3000 Memory ($95.99 @ Newegg) Storage: Samsung - 850 EVO-Series 250GB 2.5" Solid State Drive ($84.99 @ B&H) Storage: *Toshiba - P300 1TB 3.5" 7200RPM Internal Hard Drive ($39.88 @ Other World Computing) Video Card: Zotac - GeForce GTX 1070 Ti 8GB Mini Video Card ($449.99 @ Amazon) Case: Thermaltake - Versa H21 Window ATX Mid Tower Case ($19.99 @ Newegg) Power Supply: SeaSonic - FOCUS Plus Gold 550W 80+ Gold Certified Fully-Modular ATX Power Supply ($59.90 @ Newegg) Total: $1018.21 Prices include shipping, taxes, and discounts when available *Lowest price parts chosen from parametric criteria Generated by PCPartPicker 2017-12-24 17:30 EST-0500
The r7 1700 is the best bang for the buck. I have it and it's just dandy for 60fps gaming, most of them easily oc to 3.7GHz and when streaming games you will most of the time not even have a change in framerate.