Originally Posted by Teeny Leviathan

Bad idea. Contrary to what the OP states, they did not get the original writers to write the script. The original movie was written by Aykroyd and Ramis. Personally, I think that they should have recruited them to write the new film, or at least bring them on as story consultants.

On a related note, in the upcoming Ghostbusters game, they managed to get most of the original cast back to voice their characters and Aykroyd and Ramis are writing the story. This game may well be much better than a third movie.