Here are some of the best/worst sites I have ever been too..
Freak's Macintosh Archive
http://freaky.staticusers.net
This is the BEST site! It gives updates just about every day, has lots of information, fast and a huge archive of underground programs
Blackout.org
http://www.blackout.org
This site has tons and tons of links to other macintosh underground sites. Has a great file section and hosts many sites such as Weedo Tech, Happle, Team 2600 and other 31337 sites.
SixToed
http://www.punkz.com/sixtoed/
Hosted on my webserver this page is the homepage of the SixToed carracho server- the best server on carracho. Tons and tons of files on this server, the most I have EVER seen. The webpage has many k00l pictures of 2 kids fooling around with phones and bell atlantic telephone stuff :-)
Canadien Academy
http://www.canacad.ac.jp
This site really sux :-) This is my school's homepage. No my school is not a Canadien school and I have no idea why its called that. If you could, get root acces to this and destroy the page with graphiti and anti-school stuff. Heheh
Anarchy Rules
http://www.anarchyrules.com
This should be your #1 stop for bomb instructions, Jolly Roger cookbook, Anarchists cookbook, chemical info and a huge archive of (ughh) PC hacking stuff.
Hackers.com
http://www.hackers.com
This site has the BEST graphics I have EVER SEEN! TONS OF FILES, even though none are for mac and there are hardly ever updates, I go there a lot just to take a look at the wonderful graphics.