Snagged from steffistd
There is just no sense in that post, but... hell it's fun^^

I used to be fan of...
Beverly Hills 90210
Who's the Boss
Roseanne
The X-Files
Star Trek: Voyager
Star Trek: Enterprise
Star Trek: Deep Space 9
Buffy (seasons 4-7)
Angel (seasons 1-3)
Everwood
Dawson's Creek
Stargate Atlantis
Lost
Supernatural
McLeod's Daughters

I'm still or again a huge fan of...
Star Trek: Voyager
Star Trek: Enterprise
Star Trek: Deep Space 9
Dawson's Creek
Stargate Atlantis
Lost
Supernatural
McLeod's Daughters

New fandoms I hooked up with...
Farscape
Firefly

IMHO best fandom ever is...
Star Trek (it's immortal)