Deal Frenzy via eBay offers the factory-refurbished Acer Aspire ATC-705-UR5B Intel Haswell Core i7 Quad 3.6GHz Desktop PC, model no. DT.SXNAA.029, for $419.99 with free shipping. That's $25 under our mention of a similar model from three weeks ago and the lowest total price we've seen for this configuration. (It's also the best deal we could find now by $77 for a refurb.) Features include an Intel Core i7-4790 3.6GHz Haswell quad-core processor, 12GB RAM, 1TB hard drive, 802.11ac wireless, Bluetooth 4.0, gigabit Ethernet, USB 3.0, DVD burner, and Windows 10 Home 64-bit. A 90-day Acer warranty applies.