The speculation continues...

No indictments yet, but the guesswork continues.

Raw Story states that Rove and Libby are indeed the key targets:
Prosecutor in leak case seeks indictments against Rove, Libby, lawyers close to case say

CBS reports now that indictment announcements are not expected today.

And how are things at the White House? Tense, I expect.
Bush Aides Brace for Charges:
Grand Jury May Hear Counts in Leak Case Today