I guess many of us were waiting for this: the possibility to use Sigma's excellent…
Canon EF 24-105mm F4L IS deal – $600 (reg. $999)
Top Rated Plus seller RedTagCamera (99.9% positive ratings) has the workhorse Canon EF 24-105mm F4L IS lens on sale at $599.99. Compare at $999. Free shipping. Please note: this is an import item, seller warranty applies.