Sears offers the Whirlpool 24" Dishwasher in White (pictured) or Black, model no. WDF510PAYW, for $316.98. Coupon code "SEARS50" cuts it to $266.98. With free shipping, that's the lowest total price we could find by $112. This dishwasher purportedly uses 50% less water and power, and features overnight and eco wash cycles and 100% usable rack space.