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There's a ton of great SF being written today.
True, but not all of the truly great SF is adaptable to film. I would list any of the books by Gregory Benford, Greg Bear, Neal Stephenson (possibly doable with a good writer/director), Vernor Vinge. Often, their very very great SF is simply too big for the screen. Some of them spans eons and/or entire universes.
Forbidden Planet was already successful at being on film. It is ready-made for it and it would be nice to see it updated for the modern age, technologically and socially.