BuyDig offers the Canon EF 24-105mm f/4L IS USM Autofocus Lens, model no. 0344B002, for $1,149. At final checkout, it falls to $689. With free shipping, that's $11 under last month's mention and the lowest total price we've seen. (It's also a current low by $21.) It features image stabilization and three aspherical lenses.