I haven't posted this much ever. Wow.
BUT I'VE FIGURED IT OUT.
Jo's character is unsustainable after all the shit they've flung at her recently.
Ben needs a replacement.
I doubt there is a single viewer left who won't at least cringe a little if Kudos magically introduces a new non-white secondary-male.
THEY'LL BRING BACK ZAF, PEOPLE. HE'S NOT DEAD.
(I haven't seen the finale, obviously. Damn you, Scotland. And even on the ridiculous off-chance that I'm right, I don't want to know.)
Edit 30/05/09: Now with sort-of-spoilers to 7.08 in comments!