Oh boy, I'm a member of alot of other boards but PT is my second home.

Smallville News
Evy's Board (Proboard)
*cough*Lovetalk*cough*
Pet Rats Canada
IdolForums (American Idol)
Paw-Talk
Claws N Paws (Julie's board)
My Dog Site
Katie's Board
ProDog Grooming Board
Purrs and Barks Galore (Camcam's board)
Talk Pets
Devoted2Dogz
Bark Back
Simply Pets
Your Active Pet
Doggie Days
Dogomania
Hungry Hound
Cute Family Pets
I post in most of them every couple of days but some have been dead for quite some time now.