Backupanswers.com has a extensive list of topics , all related to backing up the disk drive. For instance they have a mdf file reader called MagicISO that will create the mdf files. An mdf file is an extension that makes image files using the file editor MagicISO. SO you can extract, create and edit ISO/ MDF files and you can even convert DVD and CD image files as well.
That is pretty handy now that our hard drives are over 100 GB, my photographs folder is stuffed full.
So at Backupanswers you can get the answers you need, instead of spending hours researching Google, and wading through tons of pages and posts that make no sense. And you do not need to be a Geek PhD either, as the site is written for every day users like myself but its also geared toward the learned PC user as well.
Wonder if they can help me figure out how to make streaming video from CBS work?