No specific info about version 3.0. Please visit the main page of Smart Disk Image Utilities on Mac Informer.
It can convert DAA or GBI disk image files to the more common ISO format.
Simple and optimized Mac OS X app to create standard DMG Disk Image Archive recognized by any Mac, with just one click.
Burn, open, extract, and edit DMG files on your Mac.
It offers a simple solution to convert DMG files into ISO images.
Little Disc+ is a Mac application that handles file archives and disc images.