Boot script for iPXE - open source boot firmware. http://ipxe.org/
Some scripting borrowed from Robin. He's like a wizard or something. https://gist.github.com/robinsmidsrod/2234639
and
Reasoning: I put this up because I feel like there aren't enough examples of IPXE on the Internet just yet.
Screenshot of pxeboot menu.
https://github.com/bradgillap/IPXEBOOT/blob/master/screenshot.png