Deepak Manuel's CAD/CAM/CNC Website - A directory of CAD/CAM sites, including manufacturers, trade magazines, and job exchanges [requires Java].
François' CAD/CAM World - Links to CAD/CAM hardware and software pages in several categories.
MCAD Cafe - Information portal about mechanical design technology, with company, product and industry news and information; indexes to associations, events, online and traditional resources, university programs, and job listings.
Tips for Manufacturing - Video training tutorials for design and toolpath, using Mastercam V8 and Mastercam V9. Real world training examples presented in step by step lessons.