Ending today, Newegg offers the Acer Aspire ATC-780A-UR11 Intel Skylake Core i5 2.7GHz Quad Desktop PC, model no. DT.B7YAA.001, for $399.99. Coupon code "0124ANNSAB30" cuts it to $394.99. With free shipping, that's $155 off list and the lowest total price we could find. Features include an Intel Core i5-6400 2.7GHz Skylake quad-core processor, 8GB RAM, 1TB hard drive, DVD burner, 802.11ac wireless, Gigabit Ethernet, Bluetooth 4.0, HDMI, USB 3.0, and Windows 10 Home 64-bit.