Three of my friends and I bought one Core set each. We all had perfect VSDs at our homes, but arrived at our local gaming store with broken antennas on our VSDs. I even ran into two people at my local store with the same issue on launch day.
So I wondered, is it just us? It seemed too much of a coincidence. We had all independently determined that the Core box was a decent way to store our minis for travel to the store, putting the VSD on it's stand on one side of the box's insert. The antenna doesn't touch the top of the box when closed, but apparently the insert is just low enough that if you put the manual on top, it can slide and will just barely nick the antenna if it does.
Of course, I'm going to try to see if FFG is able to sell me the antenna bit, so I can glue it back on. Figured I would warn people against trying to transport their stuff like this, and hoping that FFG might increase the height of their insert by a fraction of an inch.