Ebay offers Refurbished Dyson V15 Detect Total Clean Extra Vacuum Cleaner for $399.99 (reg $749.99) with free shipping.

Product Description:
The Dyson V15 Detect is engineered with the power, intelligence, versatility, and run time to deep clean your whole home. Dyson illumination reveals invisible dust on hard floors. A piezo sensor intelligently optimizes power and run time based on the debris picked up, reporting it all on the LCD screen.³ The de-tangling Digital Motorbar™ cleaner head deep cleans carpets and hard floors and adapts suction power to floor type. Its versatile cordless format transforms into a handheld vacuum with one click so you can clean up high, down low, and everywhere in between. Comes with a 6-month warranty and lifetime Dyson support. ¹Compared to the Dyson V8™ ²Actual runtime will vary based on power mode, dust level, floor type and/or attachments used. ³Accuracy may vary. Best accuracy in Auto mode. Auto ramp feature in Auto mode only.