B&H is offering 20-inch Lenovo IdeaCentre C345 AMD E2-1800 1.7GHz Dual-core All-in-one PC (model no. 57312396) for $439.99 with FREE shipping. That's $40 off list price and one of the cheapest All-in-one PC in the market currently.

This Lenovo C345 configuration includes 20" 1600x900 LED-backlit LCD (non-touch), integrated AMD Radeon HD 7340 graphics, 4GB RAM, 1TB Hard Drive, integrated DVD burner, USB 3.0, HDMI, 802.11n WiFi, Webcam, 6-in-1 card reader, bundled Keyboard + Mouse & Windows 8 operating system.