I think a good remake of "Gone With the Wind" is long overdue, and I would LOVE to see it closer to the theme of the book.
And, I'd REALLY give anything to see a decent job done on a Heinlein book, rather than the abominable "Starship Troopers" and "The Puppet Masters".
However, although it is one of my all-time favorite movies, I think a high budget and capably produced remake of "The Wonderful Wizard Of Oz" (not to mention a bunch of the OTHER Oz books) would be a Really Good Thing.
"You have the right to remain silent. If you choose to waive this right, I may have to kill you in self-defense because you're boring me to death."