One StarBurn feature that you don't often see bundled with disc burning utilities is a virtual drive mounting application. In other words, you can use StarBurn to create a disc image or ISO file, and then mount that file as a virtual disc so you can see how it performs without actually burning the file to a disc and sticking it in a drive. This can come in handy if you want to see check an image before burning it, or if you want to mount an image you've created or downloaded on a system that doesn't have a working optical drive.