If you mean traditional sub-diviision/nurbs modeling like Max, Maya, Modo, etc, then no, I don;t think Vue needs to provide redundant modeling capabilities.  I do however believe that e-on should provide better terrain modeling tools as outlined in this thread:  http://market.renderosity.com/mod/forumpro/showthread.php?thread_id=2771373 - especially the suggestions from Offrench