Some samples done in C4D:
http://www.maxon.net/pages/gallery/gallery_19.html
And a demoreel:
http://www.maxoncomputer.com/demoreel/demoreel2007.mov 
I'm not trying to promote C4D here. Frankly, I cannot afford it.
My main purpose is to challenge the Carrara Dev Team. Perhaps they could come up with something similar or close when they finally release Carrara 6.