Jet.com offers the Weider Pro 265 Bench Press Set with 80-lb. Vinyl Weights, model no. 15963, for $123.24 with free shipping. That's the lowest total price we could find by $12. This adjustable bench features a leg extension / curl mechanism.

Update: Even better Groupon offers it for $114.99 with free shipping.

Update 2: As a reader found, Kmart offers it for $99.99 plus in-store pickup.