A good balanced CPU / GPU card would be ideal.
Just wait for the RX480 that will be announced this week.
PCPartPicker part list:
http://de.pcpartpicker.com/list/GtjNNN
Price breakdown by merchant: http://de.pcpartpicker.com/list/GtjNNN/by_merchant/
CPU: Intel Core i5-6500 3.2GHz Quad-Core Processor (€204.05 @ Mindfactory)
Motherboard: ASRock Z170 Extreme4+ ATX LGA1151 Motherboard (€159.84 @ Mindfactory)
Memory: Kingston FURY 16GB (2 x 8GB) DDR4-2133 Memory (€57.93 @ Mindfactory)
Storage: Samsung 850 EVO-Series 500GB 2.5" Solid State Drive (€143.83 @ Mindfactory)
Storage: Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive (€74.47 @ Mindfactory)
Video Card:RX 480 8Gb (€192.84 @ Wait for the 29 of July)
Case: Fractal Design Define R4 (Black Pearl) ATX Mid Tower Case (€85.83 @ Amazon Deutschland)
Power Supply: Corsair Builder 600W 80+ Bronze Certified ATX Power Supply (€64.85 @ Mindfactory)
Total: €983.64
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-06-27 17:18 CEST+0200