While I agree that Tom Sawyer Island and Rivers of America may need to be rethemed (I personally have never visited or shown interest in either, and I've been going to the parks since I was four years old), I'm not sure if Neverland is the way to go about it. While it does seem like an interesting idea, WDI might be making a bold and risky move by removing Peter Pan's Flight from Fantasyland, much like how they got rid of Mr. Toad's Wild Ride and replaced it with The Many Adventures of Winnie the Pooh. I'd be one of probably many who'd be upset, as it actually is one of my favorite rides at Magic Kingdom.
Also, I don't think theming part of an area to Direct to DVD films is a very wise decision, however popular they may be. That's just my personal opinion, though.
I'd actually rather they completely re-theme it to Pirates of the Caribbean, as to my understanding there is a bit of PotC already on the islands. But this may also clash with the whole Frontierland theme... so perhaps Treasure Island, or even, dare I suggest, Muppets Treasure Island? (I actually really liked that film as a kid!

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