Long blowy posts may actually not contain much insight yet are frequently modded up as "Insightful". Some other suggestions:

(Score:5 Garrulous)

(Score:5 Fribble)

(Score:5 Bombastic)

Most of the obvious and/or clever ones have been taken. Here's one for the over 40 crowd. Or more likely the over 70 crowd. All right it's slashdot... there ain't gonna be a "crowd" in that group... therefore, this nom de plume is dedicated to slashdot's Grandpa! (Who is probably only slightly older than my father.)