Well... many of John Noble's lines are straight from the book, and thus, hint at his possession of the palantir. Perhaps in the EE they'll actually show us those flashing lights and such, coming from his tower, so we have more time to watch Denethor's madness fully develop.
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But Melkor also was there, and he came to the house of Fëanor, and there he slew Finwë King of the Noldor before his doors, and spilled the first blood in the Blessed Realm; for Finwë alone had not fled from the horror of the Dark.
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