I've always been fascinated by computer fonts. There's a lot to be said for the creativity and the care taken in designing a good, usable font, and some are really beautiful on their own. While browsing around this afternoon, I ran into a page listing some fonts available for free, some of which struck my interest. For example, Gentium looks pretty good to me, even though I'm not usually a fan of serif fonts. Agendia Std looks rather different, more usable for headlines and such, but it's certainly a pretty design. Goudy Sans looks pretty as well.
Two fonts very usable for headlines are Environ and Hattrick SC, which looks very pretty (the website didn't seem to want to open, though).