It's great - I always come back from these events feeling inspired to keep up the charge. And believe me (as I'm sure you do) - blogging, promoting and keeping up to speed in your industry takes effort. It's times like these that make it even more rewarding.
Social networking in the real world (not on the comments engine) is NOT considered a circle jerk in my opinion. It's critical to the growth and maturation of this exciting industry. See you at the next one!