I just checked today and apparently I have messages all the way back to Mar 29, 2004 at 11:30 pm
Well, I'm assuming you joined in June of 2011, since your post has '1,461 Posts. Joined 6/2011' in the upper right.
May 20, 2008 here. It was a guy thanking me for my comments on the sound signature changes of the AH-D5000 during break-in.