Okay, I spent about $3,000 for you at Origin PC:

Variable Mounting: Standard
Case Lighting: ORIGIN PC RGB Lighting w/ RF Remote and Motherboard Control [No choice]
Case Fans: ORIGIN PC High-Performance Ultra Silent Fans [No choice]
Power Supply: 650 Watt EVGA SuperNOVA G3
Power Supply Sleeved Cable Color: Red Individually Sleeved Cables [No choice - change the color if you want to]
Motherboard: Gigabyte Z370 Aorus Gaming Ultra 2.0 [Pretty lights]

System Cooling: ORIGIN FROSTBYTE 240 Sealed Liquid Cooling System for 1151 Socket [Could move up to 360mm]
Processors: Intel Core i7 8700K 6-Core 3.7GHz (4.7GHz TurboBoost) [Delicious]
ORIGIN Professional Processor Overclocking: ORIGIN PC Professional Processor Overclocking [You won't regret it]
Thermal Compound: GELID GC-Extreme CPU Application

Graphic Cards: Single 8GB EVGA GeForce GTX 1070 SC Black Edition [Nice for both solo play and multiboxing]
Memory: 16GB G.Skill TridentZ 3000MHz (2 X 8GB)

Operating System Drive #1 (Primary): 250GB Samsung 960 Evo PCIe NVMe M.2
Hard Drive #2: 256GB Samsung 860 PRO Series [I've no idea what your storage needs are]

Warranty: Lifetime 24/7 U.S. Based Support and Lifetime Free Labor. 1 Year Part Replacement & Free Shipping Warranty [Could be upgraded]
Evolve Part Upgrade Service: No Part Upgrade Service [Could be upgraded]


You gain two cores and save ~$250 if you go with an AMD X470 system and a 2700X CPU.