Newegg.com has the ASUS GL10CS 8GB DDR4 1660 Gaming Desktop for $749.99 with free shipping.

• Intel Core i5-9400F 2.90GHz 6-Core, 8GB DDR4, 512GB SSD
• 6GB NVIDIA GeForce GTX 1660, Intel B360 motherboard, 500W PSU
• 802.11ac 2×2, BT 5.0, Gigabit LAN, HDMI, DP, Win 10 Home x64