Reporter: "Why all the activity?"
CJ: "Menudo's in the building. I gotta go."
Jenny’s West Wing Fan Fiction Archive: A decent fanfiction archive, though it hasn't been updated in a little while.
West Wing Fanfiction Central: The largest and most well organized West Wing fanfic archive around. There's a lot to sort through to get to the good stuff, but it's there.
Our Boys: A nice little site for West Wing, as well as Sports Night, fanfic.