Thumb Score: +7 Amazon [amazon.com] has Dyson Purifier Cool™ Gen1 TP10 for $429.99 - $215 when you 'clip' the coupon on product page = $215. Shipping is free. Price: $215 lower (50% savings) than the list price of $430 $150 lower (41% savings) than the previous price of $365 $215 coupon applied to one item at checkout