Digital is totaly easier to work with as the source format is in the standard you already need. so you can work with it far easier
As for the 50+ Mp cameras, I have no idea, but I would not put it past them :p
I do know that 4K Digital Cameras are now being used for movies.
Chris (formerly R@nSiD)
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When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix
Winner SM VFX Challenge 1
3rd Place SM SteamPunk Challenge (May 2007)