GARAGEBANDhis is the ONLY software published in the past decade = that would make be consider going over the a plug-N-play MAC. Fabulous freviews and a very approcable interface. Ten minutes with a teen-ager and something viable is coming out.
Readibably editable by the newest of newbies.
http://www.apple.com/de/ilife/garageband/
Sincerely,
Gargoyle