FreeBSD: Automatizar instalação

http://www.cs.duke.edu/~gallatin/sysinstall.html
http://forums.freebsd.org/showthread.php?p=85274#post85274
http://www.bsdcan.org/2009/schedule/events/126.en.html
http://www.locolomo.org/howto/pxeboot/automatic-installation.html