My niece just bought the SE400. She is bringing it over on Tuesday for me to help her learn how to use it. She has had it for about 3 weeks and has been afraid to take it out of the box. It's been years and years since she has sewn. I am really excited to have that special bonding time with her. Is it a difficult machine to operate? I have the Brother XR9000, which is a pretty basic, low end machine.