Other than 30DS, I do:
Banish Fat, Boost Metabolism
No More Trouble Zones
Yoga Meltdown &
Biggest Loser Last Chance Workout
in rotation. I love them all for different reasons, but my favorite right now is Yoga Meltdown. It's not your typical Jillian - I like her badass side, but I also find her "zen" side quite entertaining. (I mean... it's not something you would expect from her, but it's endearing) The workout is pretty intense. I don't feel like I get the same cardio effect as if I were doing BFBM, but it really does tone your muscles (especially level 2!!!) and you do still get some cardio in. Lovelovelove Jillian DVDs.
Has anyone tried Shred it with Weights yet? I want to, but she's been recently slammed for her form, and I'm kinda nervous since I can see how kettlebells could be pretty dangerous if not used correctly...