Why hasn't this been done?

Today I'm talking about books that would make A-MA-ZING movies. They have been done in before, but they were either done so badly or so inconspicuously or so long ago that it is time for a remake. If and when these ever get done, the characters will likely be played by unknown actors, or they could be played by a whole slew of different people, so fantasy casting is a moot point, but PLEASE- they need to be given the right treatment. 

1984- The time is ripe for a good government conspiracy film. Bourne has run his course, and I can't think of another really good Big Brother film in a long time (Enemy of the State is the most recent, really good one I can come up with... help me out if you have something more recent). The rumor mill is working on this story, but it's been working on it for about 5 years, and since a Republican is no longer the President of the U.S., most of Hollywood has backed off of their political high horses and this has been shelved indefinitely.

The Witches- The rumor mill is bursting at the seams with this one; it's supposedly on the docket for 2011, but the director who is supposedly attached to it is also supposedly attached to a big-ticket film that is supposedly set for 2011 and 2012. How's that for a lot of supposition? The original is great, but the special effects and makeup/ costume stuff is cheesy and dated, at best. It's been 20 years (golly, I'm old) and it's time for a re-treatment.

The Secret Garden- This has been done a few times, most popularly in 1993, which was a complete box-office bomb. Most recently, it was done in 1999 and the "best" review on IMDb says: "This movie is more for those of a more learned mind set. Those read a lot and enjoy mind movies. Movies where you have to think about what they are talking about. After all this is a British film they usually are hard to understand at first." Yeeeaahhhhh..... whatever. Somehow, I don't think this film was aimed at the brightest of light bulbs, if yaknowhatimean. It needs to be done well, with the adults holding real, substantial roles instead of being background characters. The adults are the people who have shaped these children, for better or worse, and we need some talent and substance. 

Island of the Blue Dolphins- This book was one of my absolute favorite books as a child- I had a weird obsession with independence and this character is Independence (did you notice the capital "I"... it feels redundant to say "with a capital 'I'" when I typed it as such... although this entire sentence seems extraneous now). This is movie gold, in my opinion: Castaway + female empowerment = Awesome. But it's been done once as a low-budget, limited release film decades ago.

What movies do you want to see redone?