Okay, there are a ton of Manics sites floating around on the web. I'm going to get a lot of the listed soon, but for now here are some of my personal favorites.

Did you ever notice than Manics fan sites tend to be very good quality? ::pompous:: I guess that says something about the caliber of fans.. ;)

Manic Street Preachers WebRing: Navigation Start here, if you've no idea where to go. Around 100 or so sites
UK Channel Boredom mp3's of live outtakes, improvs, intros, and weird stuff
www.staybeautiful.net Fantastic! I ripped them off in so many places. They used to have really cute videos of Richey and Nicky playing mini-golf but those are gone now
Glitter Kisses - Manic Street Preachers Manic porn.... enough said.
Moore Sean Because Sean fans are cute. They have a huge group (and Sean) picture gallery, by the way.
Sciryl/Lyrics HUGE lyrics resource. If they don't have it, it doesn't exist, seriously.
Kitchen Sink Melodrama Well-done site with a good sense of humor and a large picture gallery.
Suicidealley Also great fun, has an obsession quiz, Loser's Guide to Dyson and lots of other amusing things.
The Everlasting Comprehensive "Propaganda" section on some of the best Manics-related causes, How to Be an American Manics Fan, yay.
Richey Edwards & Nicky Wire:Controversial Welsh Pop Star Love Very original, sensitive and lovely. Plus the girl who runs this site is really nice, and also has a bunch of really great photos you can't find anywhere else.
This Is Yesterday One of the best resources.. lots of rare photos, huge press archive, bootlegs, umm yay!!