Shiguma time again! One of their latest lenses is now in-stock and ready to ship in the Canon and Nikon versions, it is the Sigma 100-400mm f5-6.3 DG OS HSM Contemporary going for $799 with free expedited shipping at B&H Photo.
Speaking of Sigma, they have announced but they have not priced yet the brand new Sigma 24-70mm f2.8 DG OS HSM Art lens in the Canon, Nikon and Sigma SLR systems. Since it is not priced, there are no pre-orders yet.
This has been added to the New Cameras and Lenses of 2017 page.