Best Buy via eBay offers the Lenovo H50 AMD A10 Quad 3.5GHz Desktop PC in Black, model no. 90BG003JUS, for $429.99 with free shipping. (Lenovo charges $5 more via coupon code "USPH50JUS105".) That's the lowest total price we could find by $53. It features an AMD A10-7800 3.5GHz quad-core processor, 12GB RAM, 2TB 7200 rpm hard drive, DVD burner, 802.11ac wireless, Bluetooth 4.0, USB 3.0, HDMI, and Windows 10 Home 64-bit.