I have this build which should fit your needs as well as having a 27" 1440p monitor. You can pick up Windows 10 for cheap online. Let me know what you think.
PCPartPicker part list:
http://uk.pcpartpicker.com/list/pJF8jc
Price breakdown by merchant: http://uk.pcpartpicker.com/list/pJF8jc/by_merchant/
CPU: Intel Core i5-6600K 3.5GHz Quad-Core Processor (£210.00 @ Amazon UK)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler (£29.99 @ Amazon UK)
Motherboard: Asus Z170-A ATX LGA1151 Motherboard (£131.99 @ Overclockers.co.uk)
Memory: Corsair Vengeance LED 16GB (2 x 8GB) DDR4-3000 Memory (£89.99 @ Novatech)
Storage: Crucial MX300 525GB 2.5" Solid State Drive (£104.99 @ Ebuyer)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£41.99 @ Novatech)
Video Card: Zotac GeForce GTX 1070 8GB AMP! Edition Video Card (£389.99 @ Ebuyer)
Case: BitFenix Nova ATX Mid Tower Case (£29.99 @ Overclockers.co.uk)
Power Supply: Rosewill 500W 80+ Bronze Certified Semi-Modular ATX Power Supply (£46.99 @ Amazon UK)
Optical Drive: Lite-On iHAS124-14 DVD/CD Writer (£13.73 @ BT Shop)
Wireless Network Adapter: Gigabyte GC-WB867D-I PCI-Express x1 802.11a/b/g/n/ac Wi-Fi Adapter (£23.09 @ BT Shop)
Monitor: Acer XG270HU 27.0" 144Hz Monitor (£387.57 @ PC World Business)
Total: £1500.31
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-11-07 10:28 GMT+0000