Marketsaw reports from a mega-ultra-secret insider at ILM that Ghostbusters 3 is going 3D.

This is exactly the kind of fun, over the top movie that deserves the 3D treatment. And it means we can look foward to the obligatory "shooting proton steams into the audience to snag an overhead Slimer" scene. Should sell a few Blu-rays, too.

All major cast members (sans the retired Rick Moranis) will return. Ivan Reitman is directing from a script by Year One writers Lee Eisneberg and Gene Stupnitsky.

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