I am really impressed with MOI thus far.
I have been playing with it a bit on the side, and it is very intuitive.
Congratulations on the OBJ export engine, i found it to be much better implemented than that in Rhino,
this alone makes MOI really good !

Now the question:
Will Layers be supported at some point, hopefully soon?
There needs to be a way to manage complex scenes with many objects.

Keep up the great work,