What are you a "Buff" of?

cartoon (both nick & cn) buff
wii buff
sex buff
music buff
car buff
puppy buff (sorry, but puppies are cute)

Computer buff

Security buff

Scripting buff

English buff, (I always critique people on their grammar, a serious pet peeve.)

I am a....
Gun buff
Philosophy buff
Common sense buff

sports in general buff (all sports; hell i even watch curling if it's on)

video game buff

history/religious history buff

i love to argue (not really a buff; just damn good at it)