Walmart offers the Dyson V6 Slim Cordless Vacuum, model no. 221727-01, for $196 with free shipping. That's the lowest total price we could find by $102 and the best deal we've seen. This vacuum features a Dyson V6 digital motor capable of spinning up to 110,000 rpm, 2-tier radial cyclones, and up to 20 minutes of suction.