http://www.linuxcnc.org/ is an awesome operateing system for homebuilt equipment.
heres a link to the mill I have. It's a good mill as long as you arent trying anything larger then 4 inches.
http://www.maxnc.com/page4.html
I've been working on a much larger CNC mill, however the cost of parts is about $300 per axis for a decently sized mill.
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Whats the difference between mechanical engineers and civil engineers?
Mechanical engineers build weapons, civil engineers build targets
