Best_buy via Ebay offers Dyson - TP01 Pure Cool Tower 800 Sq. Ft. HEPA Air Purifier and Fan - White/Si... for $249.99 (orig. $399.99) with free shipping.

Product Description:
Designed for rooms up to 800 sq. ft. Carbon and HEPA filters Remote Control 70° oscillating
Create a healthier indoor environment with this Dyson Pure Cool purifying tower fan. Air Multiplier technology provides powerful circulation of cleaned air, and the 350-degree oscillation ensures complete room coverage. See real-time information on detected pollutants, air quality and filter status on the LCD screen of this Dyson Pure Cool purifying tower fan.