Any Opinions or Thoughts?

Solution
The single aer 140 goes to the rear, the double aer is in the inside and the stock rad fans on the outside.

PCPartPicker part list / Price breakdown by merchant

CPU: Intel - Core i7-8700K 3.7GHz 6-Core Processor ($414.89 @ B&H)
CPU Cooler: NZXT - Kraken X62 Rev 2 98.2 CFM Liquid CPU Cooler ($148.89 @ SuperBiiz)
Motherboard: Asus - ROG STRIX Z370-E GAMING ATX LGA1151 Motherboard ($197.99 @ SuperBiiz)
Memory: G.Skill - Trident Z RGB 16GB (2 x 8GB) DDR4-3200 Memory ($179.99 @ Newegg)
Storage: SK hynix - SL308 250GB 2.5" Solid State Drive ($78.99 @ SuperBiiz)
Storage: Seagate - Constellation ES 2TB 3.5" 7200RPM Internal Hard...
The single aer 140 goes to the rear, the double aer is in the inside and the stock rad fans on the outside.

PCPartPicker part list / Price breakdown by merchant

CPU: Intel - Core i7-8700K 3.7GHz 6-Core Processor ($414.89 @ B&H)
CPU Cooler: NZXT - Kraken X62 Rev 2 98.2 CFM Liquid CPU Cooler ($148.89 @ SuperBiiz)
Motherboard: Asus - ROG STRIX Z370-E GAMING ATX LGA1151 Motherboard ($197.99 @ SuperBiiz)
Memory: G.Skill - Trident Z RGB 16GB (2 x 8GB) DDR4-3200 Memory ($179.99 @ Newegg)
Storage: SK hynix - SL308 250GB 2.5" Solid State Drive ($78.99 @ SuperBiiz)
Storage: Seagate - Constellation ES 2TB 3.5" 7200RPM Internal Hard Drive ($54.99 @ Newegg Marketplace)
Video Card: Asus - GeForce GTX 1080 Ti 11GB STRIX GAMING Video Card ($799.89 @ Amazon)
Case: Cooler Master - MasterCase H500P ATX Mid Tower Case ($149.99 @ Amazon)
Power Supply: Rosewill - 750W 80+ Platinum Certified Fully-Modular ATX Power Supply ($64.99 @ Newegg)
Operating System: Microsoft - Windows 10 Home OEM 64-bit ($88.89 @ OutletPC)
Monitor: AOC - AG352UCG 35.0" 3440x1440 100Hz Monitor ($899.99 @ Best Buy)
Keyboard: G.Skill - RIPJAWS KM780R RGB Wired Gaming Keyboard ($89.99 @ Amazon)
Mouse: SteelSeries - Rival 700 Wired Optical Mouse ($74.16 @ Amazon)
Headphones: Corsair - VOID PRO RGB USB (White/Black) 7.1 Channel Headset ($79.99 @ Amazon)
Other: NZXT AC-HPL03-10 HUE+ Extension Kit ($20.99 @ Amazon)
Other: NZXT AC-HPL03-10 HUE+ Extension Kit ($20.99 @ Amazon)
Other: NZXT Internal USB Hub ($23.42 @ Amazon)
Other: NZXT Aer RGB140 140mm RGB Case Fan 500-1500 RPM 23.9-71.6 CFM 22-33DBA 4-PIN PWM ($34.95 @ Adorama)
Other: NZXT HUE+ & Aer RGB140 Fans Bundle Pack RGB 2x 140mm Aer Fans Included ($76.94 @ Newegg Marketplace)
Total: $3500.92
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-11-23 04:25 EST-0500

If you can get the 570x for 108 and that's y you have purchased the aer 120, go for it.

Mount the gpu vertically! Will look dope ;)
 
Solution