Heh! What I said to my friend was "this is definitely not the same Kara who died!" Which is a LITTLE unfair, I know, but reborn/clone/whatever she is Kara has been so much more mature and with it and that has to make me suspicious.

She's been all over the place in season four... the good thing is (I hope it's a good thing, anyway) that this episode gave me some hope that they're going to explain who/what she is (and what happened to her before) during these final episodes.

As for Dee, yeah, I can't argue about the choice not being fitting for the dramatics of storytelling. I would probably whine no matter who it was, though, because I love the ensemble cast of this show. :-)