This is a great instructional video showing how to turn an eccentric goblet. Very Interesting!
Turning A Natural Edge Bowl – VIDEO
This is a great video that covers how to turn a natural edge bowl from start to finish. Makes me want to head out to the shop and make some shavings 
How to turn a pen VIDEO
This is a great video from Rockler Woodworking that will show you how to turn a pen from start to finish.