Doug Daniels' Power Page: Articles on training and tips for reaching lifting goals.
Fred Hatfield's Page: Lots of information on powerlifting, weightlifting, and training in general.
Power-Matrix: A workout that increases strength and power without drugs. A brief description of correct techniques for bench press, deadlift and squat.
Russian Kettlebell Fitness.com: Forums, articles, newsletters, and workouts. Kettlebell training specifically geared towards the Special Operations Force Operator.