First, I´m a bit jealous, since Mesas are so affordable there in USA. In Finland, where I live, Mesas are all too expensive I saw a new 400+ in a music store, and it was 2350 euros, huge sum of money! Used 400 was a bit cheaper, 1500. I think that it was about 15 years old. Somehow I liked very much about the new model, but does anyone know is there a big difference between 400 and 400+?