I know a lot of the new players will play DVDs with MP3 files copied to them. I used Itunes to do just that yesterday and it worked fine with my D3. 452 songs, 4.5 Gig, 1.5 days worth. You can look at the DVD on the PC and see that all of the MP3s fall under their appropriate artist's folder and album subfolder. When you put a DVD into the writer and try to copy the playlist in Itunes, it comes up and asks you to verify that you want to copy files to a DVD vs CD. Make sure you have selected MP3 as the file type under Preferences/Burning.
The only issue I have is that it's not easy to