i would go with this . newer cpu newer ram better gpu . no need for a 750w psu
PCPartPicker part list /
Price breakdown by merchant
CPU: Intel Core i5-6600K 3.5GHz Quad-Core Processor ($259.99 @ Newegg)
CPU Cooler: Corsair H100i GTX 70.7 CFM Liquid CPU Cooler
Motherboard: MSI Z170A PC MATE ATX LGA1151 Motherboard ($122.98 @ Newegg)
Memory: G.Skill Ripjaws 4 series 16GB (2 x 8GB) DDR4-2133 Memory ($72.99 @ Newegg)
Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive ($87.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($51.99 @ Newegg)
Video Card: Gigabyte GeForce GTX 980 4GB WINDFORCE 3X Video Card ($463.98 @ Newegg)
Case: NZXT S340 (Black/Blue) ATX Mid Tower Case ($89.98 @ Newegg)
Power Supply: EVGA SuperNOVA G2 550W 80+ Gold Certified Fully-Modular ATX Power Supply ($75.98 @ Newegg)
Monitor: Asus VG248QE 144Hz 24.0" Monitor ($262.98 @ Newegg)
Keyboard: Logitech G710 Plus Wired Gaming Keyboard ($89.99 @ Newegg)
Mouse: Logitech G502 Wired Optical Mouse
Total: $1578.85
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-01-23 23:13 EST-0500
if yo need to buy windows get it from here
http://www.kinguin.net/
i have bought two copies of windows from here with no problems