Value Massage via eBay offers this Ergonomic Mesh Mid-Back Task Chair in Black for $48.88 with free shipping. That's $12 below the lowest total price we could find for a similar chair elsewhere, although we saw it for $4 less three weeks ago. It features a metal base with an adjustable height of 19" to 23".
Sears offers the Tecno Seating Pillow Back Task Chair, model no. 123T, for $62.99 with free shipping. That's the lowest total price we could find by $19. This chair features an adjustable height of 32" to 37".
Update: Apply coupon code "HOMESALE14" to knock the price down to $56.59.