3) Even though I haven't done the party ID breakdown yet, in 3/4 of the states (minimum), Clinton does better than Obama among Dems (even in states where he performs much better than her), and in nearly every state, Obama does better than Clinton among GOPers and Indys.
This is consistent with national polls from, for example, Gallup and Pew, which show Obama leading to more Democratic defections to McCain than Clinton would, but Obama still outperforming Clinton in total voters because he attracts more Indies and Republicans than she would: