Thinking of a build like this, your thoughts? Changes?

[Ak_Lance]

Various issues with my computer have drawn me to throwing in the towel and seriously considering a new computer, your thoughts on this build? What would you change and why, very novice at computer building so been doing much research. Would like to pick ya'lls brains. Thank you to those who helped with my motherboard issues, old dog learning new tricks here. (Actually the wife asked, why don't you just get a new computer. Gonna run hard with that green light).



Operating System: Windows 10 Home (64-bit Edition)
CPU: Intel® Core™ Processor i7-6700K 4.00GHZ 8MB Intel Smart Cache LGA1151 (Skylake)
CPU / Processor Cooling Fan: Asetek 550LC 120mm Liquid Cooling CPU Cooler - Extreme Cooling Performance (Single Standard 120MM Fan) **Water cooling is what I want to go with**
Motherboard: * ASUS Z170-PRO GAMING ATX w/ USB 3.1, 3 PCIe x16, 3 PCIe x1, 1 SATA Express, 4 SATA3, 1 Ultra M.2
RAM / System Memory: 16GB (4GBx4) DDR4/2800MHz Dual Channel Memory (ADATA XPG Z1)
Video Card: GeForce® GTX 1080 8GB GDDR5X (Pascal)[VR Ready] (Single Card)
Power Supply: 800 Watts - Standard 80 Plus Certified Power Supply - SLI/CrossFireX Ready **Still up in the air as to which one to go with**
Hard Drive: 1TB SATA-III 6.0Gb/s 32MB Cache 7200RPM HDD (240GB CyberpowerPC HyperX SSD + Single Drive) **Considering 2 TB HD**
Optical Drive: LG 14X Internal Blu-ray Burner, BD-RE, 3D Playback DVD+RW Combo Drive (Black Color)
Internal Network Card: Onboard Gigabit LAN Network