Overstock.com drops the Refurbished Dyson DC17 Asthma and Allergy Upright Vacuum Cleaner, which retails for up to $499.99 new, for $259.99 as part of their Red Line Deals. With $2.95 shipping, that matches the lowest total price we've ever seen, which has not resurfaced since last November. It is also the lowest total price for a refurb by more than $45. Plus, it comes complete with an accessory kit. It features Level 3 Root Cyclone technology, a lifetime HEPA filtration system, a 60 day Dyson warranty (which you can extend through Overstock for an extra $36), and more. The accessory kit includes a brush tool, a stair tool, a crevice took, a flexi-crevice tool, a soft dusting brush, and mattress tool. There is no tax (except UT).