Or anyone will do?
I did search! Not long though ~ as I have the headache from hell.
Awwww.... poor Marie. See, this is what staying out all night does to you!
But anyway.... if you want to use a "real" USB keyboard, you will need the camera connection kit, otherwise you will need to get a BlueTooth keyboard.
I got the Apple generic Bluetooth and it works great. Cheaper than the iPad Bluetooth version too.