Does anyone have this machine? I did a search and only see where people have talked about the 350. What I was really wanting to know is if you would have to buy anything else to get it going. I heard that with the 350 you needed the card on the side, but the 400 just hooks to the computer, so will I end up needing to buy some program for it to work with the computer or does it come with the machine? Thanks for the help.