Often times customers for printing companies have some sort of software they can use to design their color copies, flyers, etc., but they don't know which one is best to use for their purposes. For this reason we wrote up a brief guide comparing different software at different skill levels, i.e. Microsoft Word vs. Google Documents (for the novice "designer"), Adobe Photoshop vs. GIMP, and Adobe InDesign vs. Microsoft Publisher.
http://www.docucopies.com/news/design-software.asp
http://www.docucopies.com/news/design-software.asp