It's remarkable that K-Mart is taking on some exclusives now. And in this case they've taken on three that are based around the common theme of the AT-ST hijacking. Personally, I would have liked to see a ROTJ Chewbacca sculpt packaged with the Ewoks. That would have made it a comprehensive approach, but that's just splitting hairs. I think that both the AT-ST Drivers and Ewoks look pretty awesome.
From the SDCC images it looks like these are still a few months off. The cards in front of the figures said they'll be available in October. But interestingly there was no price on those tags.