My windows machine garbled the music played on iTunes. I originally posted that I liked the program, however, I discoverd that after 1 minute 40 seconds of play time, the output became unlistenable. I assumed first that it was a buffer problem and read lots of newsgroups to discover an answer. NONE! Finally, on the Apple site, someone made a reference to quicktime settings. Quicktime and iTunes are linked and iTunes borrows functionality from Quicktime. So I adjusted the preferences in Quicktime and the program works as I would expect. Now, however, it is the quality of MP3s and AAC files that I have to worry about. Neither format is satisfactory.