We count holds in my league too.
I grant you absolution to drop Hansen. I wouldn't say he's a bust because not too many guys are star pitchers within two years of leaving school, but it's clear he'll take time to develop into a solid reliever. Whether or not he is closing in Boston this time next year, remember that relievers are much cheaper to acquire than other positions. You'll find a JJ Putz and Takashi Saito next year. And in a league that counts holds, your options are so much greater. I'd much rather have a Broxton than a Ryan Dempster anyway.
By the way, i apologize for the wrong forum, but in my keeper league, I have Zito at $10 and I've been trying to convince myself that this is a good value to keep for next year. Can you? I can probably pick up all but maybe 15-20 pitchers at that value. Should I protect him?