The advantage is that you can burn the images you're using with DAEMON Tools Pro right away or just test an image before burning it to see if it was created correctly. DAEMON Tools Pro works with most image formats. Moreover it has a special feature to make physical (burned) backups of your CD / DVD images when it is possible. It supports Alcohol120%-Images (MDS-Files) and RMPS-Media. It's also great if you want save Power on your Notebook.