Help with first pc build

MB can be cheaper
ram can be better, 16gb is recommended for new builds
psu no good

My edits for 1440p 60 fps/ 1080p ~100 FPS:

PCPartPicker part list / Price breakdown by merchant

CPU: AMD - Ryzen 5 1600 3.2GHz 6-Core Processor ($193.44 @ OutletPC)
Motherboard: ASRock - AB350 Pro4 ATX AM4 Motherboard ($87.39 @ OutletPC)
Memory: G.Skill - Ripjaws V Series 16GB (2 x 8GB) DDR4-3200 Memory ($159.99 @ Newegg)
Storage: SanDisk - SSD PLUS 240GB 2.5" Solid State Drive ($74.99 @ Amazon)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($43.78 @ OutletPC)
Video Card: EVGA - GeForce GTX 1070 8GB FTW Gaming ACX 3.0 Video Card ($399.99 @ Amazon)
Case: Fractal Design - Focus G (White) ATX Mid Tower Case ($54.99 @ SuperBiiz)
Power Supply: Corsair - CXM 550W 80+ Bronze Certified Semi-Modular ATX Power Supply ($54.99 @ Amazon)
Total: $1069.56
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-11-13 01:18 EST-0500

Toss SSD if you need firm 1000 budget.
 
Here is the list:

PCPartPicker part list / Price breakdown by merchant

CPU: AMD - Ryzen 5 1600 3.2GHz 6-Core Processor ($193.44 @ OutletPC)
Motherboard: Gigabyte - GA-AB350M-D3H Micro ATX AM4 Motherboard ($71.98 @ Newegg)
Memory: G.Skill - Ripjaws V Series 16GB (2 x 8GB) DDR4-3200 Memory ($159.99 @ Newegg)
Storage: SanDisk - SSD PLUS 240GB 2.5" Solid State Drive ($74.99 @ Amazon)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($43.78 @ OutletPC)
Video Card: Zotac - GeForce GTX 1070 Ti 8GB Mini Video Card ($448.99 @ SuperBiiz)
Case: Corsair - 270R ATX Mid Tower Case ($44.99 @ Newegg)
Power Supply: Corsair - CXM 550W 80+ Bronze Certified Semi-Modular ATX Power Supply ($34.99 @ Newegg)
Total: $1073.15
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-11-13 02:18 EST-0500

Well GTX1070Ti is nearly as powerful as GTX1080 but is bit towards GTX1070 pricing.
 
Solution

MadOver

Commendable
Sep 1, 2016
210
1
1,760
Intel would do better at gaming...
PCPartPicker part list: https://pcpartpicker.com/list/YTgBwV
Price breakdown by merchant: https://pcpartpicker.com/list/YTgBwV/by_merchant/

CPU: Intel - Core i5-8400 2.8GHz 6-Core Processor ($199.89 @ B&H)
Motherboard: ASRock - Z370 Pro4 ATX LGA1151 Motherboard ($121.98 @ Newegg)
Memory: G.Skill - Ripjaws V Series 16GB (2 x 8GB) DDR4-3200 Memory ($189.80 @ Amazon)
Storage: SanDisk - SSD PLUS 240GB 2.5" Solid State Drive ($74.99 @ Amazon)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($43.78 @ OutletPC)
Video Card: EVGA - GeForce GTX 1070 8GB FTW Gaming ACX 3.0 Video Card ($399.99 @ Amazon)
Case: Fractal Design - Focus G (White) ATX Mid Tower Case ($54.99 @ SuperBiiz)
Power Supply: Corsair - CXM 550W 80+ Bronze Certified Semi-Modular ATX Power Supply ($34.99 @ Newegg)
Total: $1120.41
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-11-13 03:34 EST-0500
 

FD2Raptor

Admirable


1440p@60hz build:
PCPartPicker part list / Price breakdown by merchant

CPU: Intel - Core i3-8100 3.6GHz Quad-Core Processor ($128.49 @ OutletPC)
Motherboard: Gigabyte - Z370 HD3 (rev. 1.0) ATX LGA1151 Motherboard ($101.98 @ Newegg)
Memory: G.Skill - Ripjaws V Series 16GB (2 x 8GB) DDR4-2666 Memory ($146.99 @ Newegg)
Storage: SK hynix - SL308 250GB 2.5" Solid State Drive ($78.99 @ SuperBiiz)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($43.78 @ OutletPC)
Video Card: EVGA - GeForce GTX 1070 8GB FTW Gaming ACX 3.0 Video Card ($399.99 @ Amazon)
Case: DIYPC - DIY-BG01 ATX Mid Tower Case ($39.96 @ Newegg)
Power Supply: Corsair - CXM 550W 80+ Bronze Certified Semi-Modular ATX Power Supply ($39.99 @ Newegg)
Total: $980.17
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-11-13 03:50 EST-0500

Gskill kit is on sale for less than 24 hours...

If you're switching to aiming for 1080p instead, then:
For 1080p@144hz: swap the Gskill 16GB kit for the Crucial Ballistix 2x4GB 2400 ($55 less total cost)
For 1080p@60hz: swap the 1070 for the MSI RX580 4GB Gaming X (~$140 less total cost)