6 years experience in administration of high load *nix (Linux, FreeBSD ...) web servers
Installation and configuration costs:
. Apache - 50$
. nginx - 30$
. Squid - 50$
. MySQL - 30$
. PHP - 30$
. . Zend Optimizer - 10$
. . eAccelerator - 10$
. . APC - 10$
. vsftpd - 30$
. rsync - 20$