Sears offers the PowerBlock Sport 90 Dumbbell Set, model no. IB-S90, for $284.99. Coupon code "FITNESS" cuts it to $264.99. With $32.18 for shipping, that's $35 off list and the lowest total price we could find. This set replaces 16 sets of dumbbells in the space of one and features a weight range of 5-50 lbs. per hand
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.