Unattended Wiki: http://ubertechnique.com/unattended/FrontPage
Unattended Open Source Site: http://unattended.sourceforge.net
Rather than use remote installation services, an open source solution is preferable because the idea of being able to customise the application to our needs is much better!
Unattended allows you to use a boot disk, cd-rom or network boot solution to connect the PC to a remote share and download the operating system, drivers and applications. Unattended requires a DHCP server, a DNS server and a File server
Here is someone's blog link on what they did: Blog Link