I started looking at fonts some months ago, and have been writing down a list of better quality typefaces that come free of charge. Some of these are open-source.
R. Doubleday. MX Design Conference 2005 website, (Sep 23, 2005)Paper presented at the MX Design Conference 2005: Design Perspectives Envisioning design for the XXI century. October 26th, 27th, 28th, 2005.