Best Buy offers the Whirlpool Duet 4.3-Cu. Ft. Front Load Washer, model no. WFW87HEDW, for $669.99 with free shipping. (Appliances Connection charges $4 more.) That's the lowest total price we could find by $9. It features 10 different cycles, four temperature settings, and 14 wash actions.
Update: Appliances Connection offers it for $659 with free shipping via coupon code "SAVE10".