A. Learning that George Lucas plans to write most of the TV show episodes.
B. Learning that Rick Berman plans to take an even MORE active role in producing new Star Trek movies/tv shows.
I would have to go ahead and say that it's an even tie between both 'A' and 'B'. Both of those franchises need to die (and naturally they should after being raped over and over again, their assholes must be at least seven or eight inches in diameter).
Now my turn:
A - Having to sport a mullet the rest of your life
B - Rectal cancer