When it was in Chicago last year (Pack Expo rotates between Chicago and Las Vegas), the noticeable aspect of the show was the robotics. Walking the floor, it would be easy to think you're at a robotics show.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.