Found this pretty cool resource,
www.designersmind.com.
The site was started to provide seasoned and new web designers with a resource to look to when they need help.
Sure, it's for web designers, but a lot of the principles apply to paper, too. Alhtough, admittedly, they are truly different beasts!
Designers spend a large portion of their work time contemplating the aspects of text and/or font. In order to help understand the importance of font, ask yourself “What differences are there between the font and text of professional designs as opposed to low quality work?”.Source:
Designer's Mind.