At the risk of sounding like an early market zealot, it is pretty amazing at what's been done with 3D printing today. Stay tuned--we'll soon be posting a pretty lengthy slide show that chronicles some of the major advances and provides insight into several of the off-there applications that are now possible with this emerging technology.
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.