I came across another full case of these at Target, but they didn't have the TIE with Inquisitor pack-in figure. I guess that version is coming later. I did go ahead and buy another AT-DP since I had a gift card ready to use up.
Opened it last night, it's a cool little vehicle, albeit a little spindly. I have no trouble getting it to sit upright but harder to mimic any kind of walking motion ala the AT-RT. I was pleasantly surprised to see at least a little detailing in the interior cockpit.