Dyson makes fantastic devices. That’s what makes Dyson gear so attractive on shopping holidays like Amazon’s Prime Big Deal Days. Editor’s PicksDyson V8 Plus Cordless Vacuum $299.99 (44% off)If you want Dyson performance without a premium price, the V8 Plus hits a sweet spot. If you have pets or lots of mixed flooring, this vacuum makes the cleanup noticeably easier. Dyson Supersonic Origin Hair Dryer $314.99 (25% off)Many hair dryers blast out heat without much thought to long-term damage.