Your build looks very good:
- You can grab the Asus Rog Strix 1060 for $100 less here = $385 shipped >>
https://www.newegg.com/Product/Product.aspx?Item=N82E16814126113&cm_re=asus_strix_1060-_-14-126-113-_-Product
- Although your choice of Power Supply is decent but is preferable to go for the same price for a fully modular higher ratings PSU :the Seasonic FOCUS Plus Series SSR-650FX 650W 80+ Gold ATX12V & EPS12V Fully Modular = $95 (no extra cost) >>https://www.newegg.com/Product/Product.aspx?Item=N82E16817151186&cm_re=seasonic-_-17-151-186-_-Product
- You could substitute to the 2.5 sata SSD the M.2 NVMe PCIe 3.0x4 Samsung 970 EVO for no extra cost >>...