there is an extensive 3d modelling post about the types of 3d applications found here.
http://forum.thegamecreators.com/?m=forum_view&t=25468&b=3
blender is indeed a great package and the latest version has directx and directx 8 exports. It does however have a different method usage in regards to usability.
DIGIT magazine recent or last months issue had a free copy of amapi 6 for mac/pc.
amapi is a versatile program that allows you to work in nurbs and then switch to polygons as you get closer to export.
its a stand alone program or a plugin to 3d studio max
are you running 9.2 and 10.3.9 oses on your MAC amapi needs a classic OS
what kind of MAC do you have.?
If no-one gives your an answer to a question you have asked, consider:- Is your question clear.- Did you ask nicely.- Are you showing any effort to solve the problem yourself 