Dell Home offers its Dell Inspiron 20 3000 Series 3059 Intel Skylake Core i3 2.3GHz 19.5" Touchscreen All-in-One Desktop PC for $599.99 with free shipping. That's $110 off list and the lowest total price we could find. Features include an Intel Core i3-6100U 2.3GHz Skylake dual-core processor, 19.5" 1600x900 LED-backlit touchscreen, 4GB RAM, 1TB hard drive, 802.11ac wireless, DVD burner, and Windows 10 Home 64-bit.

Update: NeweggFlash has it for $469.99 with free shipping.