600$ Gaming Pc Build

Solution
You can thank miners for that.

Try these:
PCPartPicker part list: https://pcpartpicker.com/list/ssbQCy
Price breakdown by merchant: https://pcpartpicker.com/list/ssbQCy/by_merchant/

CPU: AMD - Ryzen 3 1200 3.1GHz Quad-Core Processor ($99.99 @ Amazon)
Motherboard: MSI - B350M PRO-VD PLUS Micro ATX AM4 Motherboard ($56.98 @ Newegg)
Memory: Crucial - 8GB (2 x 4GB) DDR4-2400 Memory ($87.99 @ SuperBiiz)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($46.69 @ OutletPC)
Video Card: Zotac - GeForce GTX 1060 3GB 3GB Mini Video Card ($294.98 @ Newegg)
Case: Raidmax - Vortex ATX Mid Tower Case ($23.98 @ Newegg)
Power Supply: Corsair - CX (2017) 450W 80+ Bronze Certified ATX Power Supply ($48.98 @...
You have different options. Here's what I've come up with at the current prices I've found. The third one would have the better CPU but a lesser GPU. The second one has the better GPU but a lesser CPU. The first one has AMD and will have a good upgrade path for upgrading the CPU.

PCPartPicker part list / Price breakdown by merchant

CPU: AMD - Ryzen 3 1200 3.1GHz Quad-Core Processor ($109.49 @ OutletPC)
Motherboard: MSI - B350M PRO-VDH Micro ATX AM4 Motherboard ($68.99 @ SuperBiiz)
Memory: G.Skill - Ripjaws V Series 8GB (2 x 4GB) DDR4-3000 Memory ($106.99 @ Newegg)
Video Card: Gigabyte - GeForce GTX 1060 3GB 3GB G1 Gaming Video Card ($224.99 @ Newegg)
Case: Corsair - Carbide SPEC-04 (Black/Gray) ATX Mid Tower Case ($44.99 @ Amazon)
Power Supply: SeaSonic - S12II 520W 80+ Bronze Certified ATX Power Supply ($42.99 @ SuperBiiz)
Total: $598.44
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-12-27 07:40 EST-0500

PCPartPicker part list / Price breakdown by merchant

CPU: Intel - Pentium G4600 3.6GHz Dual-Core Processor ($79.31 @ B&H)
Motherboard: Gigabyte - GA-B250M-DS3H Micro ATX LGA1151 Motherboard ($39.99 @ Amazon)
Memory: G.Skill - Ripjaws V Series 8GB (2 x 4GB) DDR4-3000 Memory ($106.99 @ Newegg)
Video Card: Zotac - GeForce GTX 1060 6GB 6GB AMP! Edition Video Card ($279.89 @ B&H)
Case: Corsair - Carbide SPEC-04 (Black/Gray) ATX Mid Tower Case ($44.99 @ Amazon)
Power Supply: SeaSonic - S12II 520W 80+ Bronze Certified ATX Power Supply ($42.99 @ SuperBiiz)
Total: $594.16
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-12-27 07:43 EST-0500

PCPartPicker part list / Price breakdown by merchant

CPU: Intel - Core i3-8100 3.6GHz Quad-Core Processor ($121.73 @ Newegg Marketplace)
Motherboard: MSI - Z370-A PRO ATX LGA1151 Motherboard ($106.98 @ Newegg)
Memory: G.Skill - Ripjaws V Series 8GB (2 x 4GB) DDR4-3000 Memory ($106.99 @ Newegg)
Video Card: Gigabyte - GeForce GTX 1050 Ti 4GB Windforce OC Video Card ($168.99 @ SuperBiiz)
Case: Corsair - Carbide SPEC-04 (Black/Gray) ATX Mid Tower Case ($44.99 @ Amazon)
Power Supply: SeaSonic - S12II 520W 80+ Bronze Certified ATX Power Supply ($42.99 @ SuperBiiz)
Total: $592.67
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-12-27 07:46 EST-0500
 
You can thank miners for that.

Try these:
PCPartPicker part list: https://pcpartpicker.com/list/ssbQCy
Price breakdown by merchant: https://pcpartpicker.com/list/ssbQCy/by_merchant/

CPU: AMD - Ryzen 3 1200 3.1GHz Quad-Core Processor ($99.99 @ Amazon)
Motherboard: MSI - B350M PRO-VD PLUS Micro ATX AM4 Motherboard ($56.98 @ Newegg)
Memory: Crucial - 8GB (2 x 4GB) DDR4-2400 Memory ($87.99 @ SuperBiiz)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($46.69 @ OutletPC)
Video Card: Zotac - GeForce GTX 1060 3GB 3GB Mini Video Card ($294.98 @ Newegg)
Case: Raidmax - Vortex ATX Mid Tower Case ($23.98 @ Newegg)
Power Supply: Corsair - CX (2017) 450W 80+ Bronze Certified ATX Power Supply ($48.98 @ Newegg)
Total: $659.59
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-01-15 10:26 EST-0500

Bit over, but good build. Quality parts.
 
Solution

what about this? About $650