I did manage to get my order in before they ran out of stock. I placed my order on July 1st and received the item on July11th.
The authenticator is very small… about 1″ wide by just over 2″ long. My biggest fear is losing it in my cluttered desk. It does have a ring at the end to attach it to a keychain or hook. I attached a hook to the side of my desk and hung the authenticator there.
It works as advertised. I went to my Account Management settings and entered the serial number from the back of the device. I then wen to log in to the game. After I put in my name and password it popped open a window asking for the number from the authenticator. I tried putting in an incorrect number and I was denied access. I put in the correct number and it let me in.
My wife and I are using the same authenticator for both of our accounts, and it has worked fine so far. It takes a weight off my shoulders. I feel confident that my account will not be hacked.
Its about time. I hope that lots of people get these and the hackers just give up in frustration.

