Here’s an interesting playlist I put together. $400 DIY CNC. Ends up being not to bad. It’s 10 vids, total time is 59 minutes.
Links to suppliers n software he mentions (or at least the best I could find):
http://stores.ebay.com/Longs-Electrical-Appliance-Co-Ltd/CNC-Router-Nema23-kits-/_i.html?_fsub=607961819&_sid=987266889&_trksid=p4634.c0.m322
http://www.machsupport.com/software/mach-3-add-ons-for-mill/
http://www.scorchworks.com/Fengrave/fengrave.html
http://www.youtube.com/attribution_link?a=qxsQGwF9daw&u=/watch?v%3D1JX7JI47Uo0%26list%3DPLzfHArr7gjgg_bbFKL1v1gncuD2N6dVGx%26feature%3Dshare