pretty gorgeous... but i agree with komaokc, the outside is very, boring. not much going on, where as the inside is like a magical kingdom of crazy beauty.
Out of curiosity, is this something that's going into an engine, or just a maya/max render? If it's for an engine, some normal mapping magic needs to happen. :poly124:
I would make all things at high dynamesh then duplicate, and zremesh + projection, but as CheeseOnToast said there is no magic it should be ultra dense mesh!