Export MP3 Playlist V

Simple applescript to export a playlist from itunes to a memory stick.
Features:
- deletes all existing MP3 files from chosen folder
- copies MP3 files to chosen folder
- copies either selected tracks or all tracks in the selected playlist
- converts any files not in MP3 format then deletes them from both itunes playlist and music folder
- files are numbered so that any MP3 player will play them in playlist order
- files are copied with MP3 tags so track name, artist is available to display in MP3 player