1.

I recommend visiting sites marked with a "N" in the link directory.

2.

there is supposedly a newsgroup but i haven't gotten there before.

another one you could try is tw.bbs.rec.tarcy

another good way to find out the latest about Tarcy is to visit a popular guestbook:

if you read japanese ...

asian music
look for "tarcy" in the left frame.

if you still haven't found out what you wanted, try chatting with other fans ...