Dell Home, via its Member Purchase Program, offers its Dell Alienware Graphics Amplifier, model no. 8W39R, for $151.99 with free shipping. That's tied with our July mention and the lowest total price we could find by $33. This external graphics card slot upgrades Alienware 13, 15, and 17 R2 and R3 Laptops and X51 R3 desktops to support full-length, double-wide desktop graphics cards. It features 460 watts of dedicated graphics power and a powered 4-port USB 3.0 hub.

Note: A graphics card is not included; you must supply your own. Dell's MPP is available to select groups, including students, government employees, military (active and retired), credit union members, and health care workers.