Much better GPU, less overcosted motherboard, no need for thermal paste, less expensive RAM, less overcosted SSD and a better PSU
PCPartPicker part list:
http://pcpartpicker.com/list/ZqsWBP
Price breakdown by merchant: http://pcpartpicker.com/list/ZqsWBP/by_merchant/
CPU: Intel Core i7-6700K 4.0GHz Quad-Core Processor ($299.99 @ Newegg)
CPU Cooler: LEPA AquaChanger 240 103.6 CFM Liquid CPU Cooler ($42.99 @ Newegg)
Motherboard: MSI Z170A GAMING M5 ATX LGA1151 Motherboard ($129.99 @ Newegg)
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-3200 Memory ($79.99 @ Newegg)
Storage: ADATA Premier SP550 240GB 2.5" Solid State Drive ($60.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($48.89 @ OutletPC)
Video Card: Asus GeForce GTX 1080 8GB ROG STRIX Video Card ($594.99 @ Newegg)
Case: Phanteks Enthoo EVOLV ATX ATX Mid Tower Case ($146.99 @ NCIX US)
Power Supply: Corsair RMx 750W 80+ Gold Certified Fully-Modular ATX Power Supply ($79.99 @ Newegg)
Operating System: Microsoft Windows 10 Home OEM 64-bit ($83.89 @ OutletPC)
Wireless Network Adapter: TP-Link TL-WDN4800 PCI-Express x1 802.11a/b/g/n Wi-Fi Adapter ($38.89 @ OutletPC)
Monitor: Asus PB287Q 28.0" 60Hz Monitor ($372.99 @ B&H)
Total: $1980.58
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-11-23 11:03 EST-0500