I believe this is the list, not sure tough.
<50 = Junior
>50 = Poster
>100 = Mezzo Poster
>250 = Uber Poster
> 410 = Forum Hound
> 580 = Forum Friend
> 760 = Forum Junky
> 950 = Forum Fanatic
> 1250 = Forum Addict
> 1370 = Forum Zealot
> 2000 = eGO is my life!!!
Note: the site admin doesn't know how to spell friend so the rank here is "Forum Fiend" :thumbup: