That was sneaky! Here are the new categories (taken from the FAQ):

0 newbie
5 regular
10 frequent flier
20 hobbyist
30 enthusiast
40 buff
60 old hand
100 veteran
200 local
300 devotee
500 aficionado
1000 connoisseur
5000 axiomite
10000 shareholder

Gentlemen, I have a new goal...