This HOWTO shows how to improve font rendering quality on the screen:

http://www.tldp.org/HOWTO/Font-HOWTO/

Throughout the document, you'll see it pointing to some RPMs, that are located here:

http://avi.alkalay.net/software/freetype.bci/FC5/
http://avi.alkalay.net/software/webcore-fonts

Regards,
Avi