While I have yet to read the books (and I tend to agree with you about not reading the source material before seeing the film), I have seen 8 of director Denis Villeneuve's 9 current feature films and I have enjoyed all of them with the exception of Prisoners (which, ironically, is the film that broke him out in Hollywood). His early films that I have seen (Maelstrom, Incendies) are great and the film he made right after that turd Prisoners (Enemy) is an overlooked gem. So I feel that the material (which I have yet to read) is in good hands, at least from a visual story telling standpoint.
Honestly, if anything has me skeptical it would be after watching the great documentary Jodorowsky's Dune, in which the Argentinean autuer discusses the grandiose Dune film he had planned for the '70s, but was never able to get off the ground. If you have not watched this film yet, I highly recommend it, even if you've never read the books, never seen the Lynch film, or have absolutely no clue as to who the hell Alejandro Jodorowsky is.
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