Home Depot offers the HDX 5-Shelf Storage Unit in Black, model no. 21656PS-YOW, for $39.97 with free shipping. That's $20 off list and the lowest total price we've seen. It measures approximately 36" x 16" x 72" and each shelf holds up to 350 lbs. of evenly distributed weight.

Update: It's now available for in-store pickup only.