I am also the "crazy lady" who steers people away from the crappier seats in stores.
And when I saw the Britax (Roundabout, in one of the cat prints, can't remember which one now) in the store parking lot I had to go over and peer in the windows, examining it closely. It was before I had ever seen a Britax seat, when I was still researching what to do with Hayley when she was 2.5 and outgrowing her AO.
The people came out just then, and I'm sure thought I was VERY odd, but I just explained I am an aspiring Child Passenger Safety Technician and Britax seats are rare around these parts, LOL. They seemed to understand and even let me check it out more closely after they unlocked the vehicle.