Trinoc*con:

Local convention in Durham with which I was involved with when I lived there. I was science program chair in 2003, and my husband was literary chair in 2003 and 2004.

Stellarcon:

Another local convention in High Point, NC, put on by a student group at UNC-Greensboro.

RTSFS:

The Research Triangle Science Fiction Society, a group of people in the triangle who enjoy science fiction and fantasy. They have an active mailing list as well as face-to-face gatherings and activities.

Catherine Asaro:

Personal home page, has info about her books and upcoming appearances.

Marion Zimmer Bradely:

Marion Zimmer Bradley Literary Works Trust, has articles written by MZB and info about the Sword and Sorceress Anthologies, as well as the order of service from her funeral.

Lois McMaster Bujold:

The Bujold Nexus, Official Bujold website, has information about the author and her books.

David Brin:

Personal home page, chock full of stuff.

David B. Coe:

Personal home page. Info about the author, his books, and a trivia contest where fans can win free signed books and such items.

David Eddings:

Fan page, with detailed information about his books (glossaries, timelines, etc.), and transcripts of some interviews with the author.

C.S. Friedman:

Fan page, with information about the author, her books, and her writing style. The site appears to be run with the knowledge and support of the author and her publisher.

Katherine Kerr:

Writes cool Celtic fantasy.

Katherine Kurtz:

Official Deryni and Katherine Kurtz site. Info about the author, her books, conventions and appearances, etc.

Mercedes Lackey:

My all time favorite. Come on, telepathic horses and magical birds, you can't get any better than that!

Holly Lisle:

Extensive site with lots of essays and other information from Holly. There is also a very active community present, which Holly recently stepped back from participation due to a wish to concentrate more on her writing.

Anne McCaffrey:

Official site, with lots of personal info. Has a bulletin board and chatroom (the "Kitchen Table").

L.E. Modesitt, Jr:

Upgraded from the "official unoffical fan page" to "official site". Has a bibliography of books and stories he's written, and a FAQ with answers from the author himself.

Elizabeth Moon:

Personal home page, writes both science fiction and fantasy. She's got lots of pictures of her horses.

Melanie Rawn:

The official fan page, containing the official fan club that has the support of the author and her publishers.

Jennifer Roberson:

Personal home page, with tons of information about her books and her worlds.

Joel Rosenberg:

Personal home page. He says it's still under construction, but there's a lot of book and personal information there already.

David Weber:

Personal home page. Under construction, very little there so far.

Plus, some people from the local writing group where I used to live (S.C.I.F.I.):

Ron Collins

Susan Urbanek Linville

Have information about the authors they publish.

DAW
Del Rey
Baen
Tor