Naked Truth - excellent Cath/Sara site

Sarosyn's Page - contains some cool CSI fanfic, not Catherine/Sara oriented, but cool nonetheless.

Mel's site. Man, this girl can write!

Kat's CSI fanfiction site - quite small, with a few stories

Silverwind's fanfiction site - quite large, with some good fanfic

Joshua Bozeman's site - very informative site on the show, with fanfic

Elyse's CSI page - possibly the best site on the net!

CSI chick's site

Fanfiction.net - kinda obvious, I know, but has a wealth of all fandoms, including a growing CSI archive.

kyrdwyn's excellent site. I say no more.

gij's excellent site

Frisked and Conquered - one very nice site!

ralst.com. A truly cool website.

SVUfanfiction.com

4cats productions

The Crass Menagerie (some NC-17 fic)

L&O SVU site index (v.useful)

The Pink Rabbit Consortium

Femslash.org - lots of fun things...

Femfic.org - not really BOP oriented, but has some nice fic links...

Realm of the Shadow