Now THAT's a good question.
According to what I've gathered:
Arr0w - Crappy internet, 2nd year at college = busy busy
AceViper - Crappy internet(same as Arr0w's), Ragnarok, college.
Dylan - Too busy with college. Even for the CB. Pops in and out every other day.
Saint_Exodia - Busy with 12th. Probably spending way too much time over Facebook. We'll find out in May.
Omkar Khandekar - Is busy being BIGSHOT in college.
Ankita - Busy with exams and college. Wishes to come back here to post something, but nobody posts anything here anymore. Is very pissed about that.
Red - Asshead, exams, backlogs, ...... problems, but he doesn't come here mainly because he's an asshead.
Ampitup - Comes here, but doesn't have company to post. u__u
Jin - Away fom a PC most of his time, Facebooking via mobile, busy with college, movie making (yes, you heard me right).
May - Retired. We'll miss you! T_T
Kyo - Busy. Doesn't even come to the CB these days. Respect the man, he's a ROCKET SCIENTIST.
DH - Inactive. Got a job. Got a life. Stuck in Noida. We're all waiting for the Rabid Jester of Amalga to return.
Rukawa_Kaede - ....... too busy stalking that Arsenal jock. God rest his soul.
Usaka_Eien - I talked to her a couple of days ago, she's REALLLLLY busy with college. Apparently she's got ...... problems....
Kahoko - She never left. She was always here. +rep for Mary.
Shweta ~ Gackt's Fujin - Got promoted to BIGSHOT in college. Doesn't have the time to do anything else. Still manages to watch a couple of GACKT PVs every now and then though. lol
Shruti - ..... eh... Kahoko?
Apocalypse - Doing part-time job.... which takes up all her time. Wait, doesn't that make it full time? Other than the job, she's busy with college too.... which ever comes first.
Blackflame - ...... err.... Kahoko?
Yuki - ..... whatever happened to that one?
Kotomi - I believe she wasn't much of a poster here. She used to come on the CB... but very rarely nowadays.
Wolfman - .... er... somebody from Bangladesh. Absolutely no idea what's with him.
Koolaidman - He's doing a part-time job AND getting paid to study. Gotta love America. Can't blame him for being busy.
Ichi - Finds derivatives for trigonometic functions really hard. She needs practice. Busy with school. Recently got promoted to Chuck Norris of her school.
AG - No frikkin idea
AI Chan - Ask Amp or someone....
Detective_Ryukai - ..... ask yourself.
.... if I missed out somebody that's because I dont care about you, guy! Sue me.
Now, does this answer your question, Det Chan?