I've talked sparingly about this mod as it has been in development for quite some time, but I just learned that it has now crossed into Beta territory. And I can't wait to actually get my hands on the completed product, as it looks amazing. For a single player game to be modded in such a way is like something from the old school DOOM games when modding first started to become prevalent in gaming.
Anyways, I would invite all of you to check it out yourselves and would welcome fellow Bullshifters to come and explore the wasteland!
Here are a few links, including an informational video: