Coach Mike Burgener’s page offering articles, links, and CrossFit based lifting instruction.
Coach Mark Rippetoe’s site offers videos, articles, books, and overall reference material around Olympic Weightlifting and geared toward the novice lifter.
Great stuff by Randy Strossen and Jim Schmitz.
Great site and good instruction for Olympic movements.
Lift Til Ya Die is a huge resource for links to websites around the world dealing with Olympic weightlifting culture, instruction, equipment, etc.