fast cheap simple way to deploy systems

I’m a student on a job experience at this certain company. My current task is to find a reliable and simple way of deploying systems on random computers.
For instance i can get ordered to prep 100 computers per month with xp and 100 with linux (all have same hardware profile and contain nothing but disk,lan, usb. no cdrom whatsoever).
This would mean i do 2 images one for linux one for xp and deploy over network.But how:)
-emBoot/dos/ghost/deploying isnt the fastest way but it works atm anyone got any faster and an option with less manual interfering