In case no-one has noticed, DIA has a Facebook page, too!
I was just thinking to myself, "Hmmm. Not so many people on here as often as there were, I bet they are over on Facebook." So I search Dive Into America and there it was:
NO LONGER PROVIDING ADVICE BY EMAIL OR PM: I am sorry to say that, as of September 2007, my time constraints no longer permit me to provide private assistance via E-Mail or PM. Please post all queries to the forum. Technical issues with the website including spam posts and suspect users may be directed to me via email, pm, reported via the forum, or sent to any of the moderators. Please see this thread for more information.