I started working on a story idea for a possible Ghostbusters 3 a while back with a friend just for fun. It was turning in to something really great and epic but then we heard that they're actually moving forward with a real Ghostbusters 3 movie so... oh well... the idea was great while it lasted.
Here's the design I did for the "future" Ecto 1. Pretty mean huh. I figure Ray and Winston would build something tougher and customize an old military hummer.