Mini ITX : http://pcpartpicker.com/list/9PV7TH
Highlights: i5 - 6600k, A nice 1440p IPS Monitor, EVGA FTW 1070, and m.2.
PCPartPicker part list: http://pcpartpicker.com/list/9PV7TH
Price breakdown by merchant: http://pcpartpicker.com/list/9PV7TH/by_merchant/
CPU: Intel Core i5-6600K 3.5GHz Quad-Core Processor ($237.89 @ B&H)
CPU Cooler: Corsair H60 54.0 CFM Liquid CPU Cooler ($49.99 @ Newegg)
Motherboard: Asus Z170I PRO GAMING Mini ITX LGA1151 Motherboard ($159.99 @ SuperBiiz)
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2666 Memory ($67.99 @ Newegg)
Storage: Sandisk Z400s 128GB M.2-2280 Solid State Drive ($49.99 @ SuperBiiz)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($47.49 @ OutletPC)
Video Card: EVGA GeForce GTX 1070 8GB FTW Gaming ACX 3.0 Video Card ($464.98 @ Newegg)
Case: Corsair 250D Mini ITX Tower Case ($84.99 @ B&H)
Power Supply: EVGA SuperNOVA GS 550W 80+ Gold Certified Fully-Modular ATX Power Supply ($72.98 @ Newegg)
Monitor: Asus PB258Q 25.0" 60Hz Monitor ($320.91 @ Amazon)
Keyboard: Cooler Master Storm QuickFire Rapid Wired Gaming Keyboard ($69.99 @ Newegg)
Mouse: Logitech G502 Wired Optical Mouse ($59.99 @ Best Buy)
Total: $1687.18
Prices include shipping, taxes, and discounts when available