My pet peeve is people who join message boards, rack up hundreds of posts in weeks, offering nothing in return for the band-width they consume.
I agree with the original intent of this thread. I know I have asked many questions in the past 5+ years, but i have also contributed with my own experiences.
I have been spending much more time at the Vintage Mustang Forum. Not that this place is bad, but I have been working on getting my Stang back on the road after 12 years in my garage. There is a vastly different attitude and much less flaming and useless banter (like this place used to be).