Conveying that people from this website meet in real life is as important to visitors as anything else.
In that case, couldn't the meetups have a separate section? They get onto the main page by default, which I find abrasive to anyone not looking for them.
On the same day that Lukeprog posted How to be happy, Scott Adams made a similar post on the Dilbert Blog, Happiness Engineering.
I'm always skeptical when receiving life advice from successful people, because their advice is biased towards taking too much risk, because successful people are selected for having been lucky. But Scott's list doesn't raise any red flags with me, and is admirably concise.