I really want to see House of Leaves made into a series of movies (just because there is no way it could fit into just one). Only if they are portrayed well, however. It would be really hard to produce and really easy to screw up, so I don't know. Now I'm changing my mind, haha.
I think the entertainment industry could have spared us the horrors of making 50 Shades of Grey into a movie given how the book should have never been published in anyone's lifetime ever.