Cnc electronics

sites
http://hobbymilling.com/ DIY info, couplings etc .. http://www.emakershop.com/printed-flexible-beam-coupling beam couplers connects stepper to acme threaded rod. Use steppers from http://probotix.com/

http://buildyourcnc.com/

http://www.wantmotor.com from  http://www.buildlog.net/forum/viewtopic.php?f=16&t=1769 major supplier of stepper motors

http://www.makeblock.cc/

http://www.dumpstercnc.com/couplers.html Linked to Cnc plans alfahobby describing the assembly of cnc rails.
 * http://www.planet-cnc.com/

Stepper drivers
http://www.hobbycnc.com/

cadcam
www.cadcamcadcam.com parts store

= links = http://reprap.org/wiki/Extruded_Aluminum

http://www.pdjinc.com/parts.html Nema 24 steppers $56