Walmart offers the refurbished Gateway AMD A6 2GHz Desktop PC (no monitor), model no. DX4375G-UW20, for $241.38 with free shipping. That's $107 under our mention of a new unit from last month and the best price we could find for a refurb today by $19. Features include an AMD A6-5200M 2GHz quad-core processor, 6GB RAM, 500GB hard drive, DVD burner, AMD Radeon HD 8400 graphics, Gigabit Ethernet, media card reader, USB 3.0, HDMI, keyboard, mouse, and Windows 8 64-bit.
A 90-day warranty is supplied, although it's unclear who backs it.