I would like to know what is the deference between the old Ispiration machine like the one where made in 1999 or 2000 and the one are made in 2004, I know that they have new software for the computers but do they have other stuff changed, please I would like to know anything even the smallest details the deference between both. and how much they are selling the new one now .one more question, if u have the one made in 1999 what would u think should I change with it to be like the one that are made now and how much would it cost? thanks for the help.