Greetings,
The question he emailed in was in regards to the NGC. After our 2.07 release of N3D the new NGC (4.0) will be released. All v3 users will receive free upgrades to v4. The collision engine needs to be complete re-written before it will suffice. We know what is wrong with it and plan to provide diagrams of how v2.03 worked, how v3 worked, and now how v4 works so you (the developer) understand why v2 was stable, why v3 flaked out, and why v4 is the best solution over them all.
To make it short, with v3 the ideas were right and the implementation was wrong.
I'm going to make a new post here so that you all know we're alive and well and working our arses off.