Dyson via eBay offers the Dyson DC39 Ball Origin Multi-Floor Canister Vacuum for $249.99. Coupon code "JUST4DYSON" cuts that to $199.99. With free shipping, that's tied with our mention from a year ago as the best deal we've seen. (It's the lowest price now by $100.) It features Root Cyclone technology, HEPA filter, and various add-on tools. Deal ends February 17.