HP offers its HP Envy 750z AMD A8 3.2GHz Desktop PC, model no. N1N01AV#ABA_1, for $529.99. Coupon code "15DEALNEWS75" cuts that to $514.99. With free shipping, that's $185 off list and the lowest total price we could find. It features an AMD A8-8650 3.2GHz quad-core processor, 8GB RAM, 1TB 7,200 rpm hard drive, DVD burner, 802.11ac wireless, Bluetooth, and Windows 10 Home 64-bit. Deal ends November 21.