Can you have all outstanding patches (update RPMs) applied automatically too ? How ?
A single config file on the install server for all of the clients, perhaps as a fallback after trying IPADDR-kickstart ?
More flexibility when things go wrong - e.g. prompt for alternate locations if distribution not found on CD-ROM.
Explicit exclusion of packages - e.g. everything apart from sendmail.
Choose which services are started automatically on boot-up by the run-level scripts under /etc/rc.d/.
When executing the shell commands in the %post section, bring
any output up in another virtual console rather than overwriting the
main screen. Could be done in the shell commands section using
open?.
Does the filesystem creation code check for bad blocks ?