You can find some impressive typefaces at Google Web Fonts and they are free. Ornate looks cool on a font menu, but rarely pays off in heavy use… The right font becomes your handwriting.” “Headline fonts ought to be decorative but not ornate. Seth Godin: Seth recommends picking up a font other than Arial for presentations because it is too common and overused. I guarantee it will make your presentations better because it requires you to find the most salient points and to know how to explain them well.” “Force yourself to use no font smaller than thirty points. Guy Kawasaki: Guy says that your PowerPoint presentation slides should contain no font smaller than thirty points or just find out the age of the oldest person in your audience and divide it by two.
Here’s some useful advice from presentation gurus on selecting the right fonts (font family + size) for your PowerPoint (or Keynote) presentations: The typeface should be readable and font size should be large enough so that people seated at the back have no problem reading the text. The fonts you use in your PowerPoint slides do play a role in making your presentations successful.