In addition, there are a few unprinted trans dark blue minifigs out there as well. Most have slipped out of the LEGOLAND modelshops or maybe Pick a Brick.
I have a few in my collection and I know that they were never imprinted. There are a couple of sellers who have them for sale on Bricklink as well:
http://www.bricklink.com/search.asp?invXre...=4475&invType=F - not cheap, but it's a pretty rare part.