Nobody answered mine either. Could there be a bias against 1st posters? Freak3yman84 was lucky there, his was the kind of post where you don't expect an answer. Maybe that's a theme for a different thread: "What was the 1st answer you ever got?" A little more difficult to find, though.
No idea. But there's probably an inner-thing that makes you subliminaly respect the user a bit more if he has more than 1000 posts. (In big forums, of course).
It has been discused in some blogs. I know I've read those things in the past.