Lenovo offers its Lenovo C20-00 Intel Celeron 1.6GHz 19.5" All-in-One Desktop PC, model no. F0BB00HDUS, for $299.99. Coupon code "DECEMBERDEAL31" cuts it to $249.99. With free shipping, that's tied with our mention from last week, $50 off, and the lowest total price we could find. Features include an Intel Celeron J3060 1.6GHz Braswell dual-core processor, 19.5" 1366x768 LED-backlit LCD, 4GB RAM, 500GB 7200 rpm hard drive, DVD burner, 802.11ac wireless, Bluetooth 4.0, and Windows 10 Home 64-bit. Deal ends December 28.