New G.I. Joe vehicles hard to find

As you probably know, the G.I. Joe 25th Anniversary figures have been hugely popular since they debuted last year. The store racks that should be full with their toy-goodness are barren and empty as toy fans suck them up as they barely hit the shelves. I've gotten my hands on far fewer than I've wanted to, but have gotten lucky ordering some off of the internet for their regular retail price.
But the newly released vehicles? I have yet to see them at all in the stores. The first wave came and went, and now another wave has just been released and the G.I. Joe Armadillo Tank vs. Serpentor's Air Chariotset is currently available at Amazon.com for the MSRP. It looks awesome - it comes with Serpentor (always one of my favorite bad guys from the cartoon) and his flying chariot, and G.I.Joe "Steeler" and his Armadillo mini-tank. With the G.I. Joe movie set for release next summer, the G.I. Joe brand is only going to get more popular.