Georgia's schedule changed so she's working mostly from noon to night now, which precludes her being on the podcasts most days. She was on last week, and is still doing ZEN and TECH (which airs later).
Seth had a baby, which is kicking his ass and rightly so. He's still doing Iterate when he can, and he's scheduled for an iMore show in the near future to fume about iTunes 11.
I miss them very much as well. Holidays are especially nutso.
We're going to be changing up the show in the new year, and I think you guys especially will like what we have coming up.