Glacier, my sister does that. She's lived/worked in several countries, just working random jobs that pay enough for her to rent an apartment and explore the area around her. She's currently driving a little RV around New Zealand
While I would love an HEE convention there are so many players that it would be hard to pinpoint a spot to have it. Plus, I think a lot of people cant justify spending thousands of dollars just to travel to meet some people from online. =\