Have no opinion on who is the biggest windbag, if that is what you mean, but it may be the guys with the most posts.
The most sensless is beginner, but there may be hope for him.
The most elequent but aggravating debater is Glens. Hail, I thought I was pretty literate, but I can't make sense out of half of what he says. By the time I get done readin, I can't figure out if he is arguing against himself or what.
You know, amoung the educated people there are extremes where one group is educated beyond their intelligence, and other group is intelligent beyond their education.
And, I also liked Stihltech's "Brevity is a virtue".