>>>Btw any thought on this one ? 
I'm not familiar with this one, seems OK but on the other hand I'm familiar with your modeling skills...I think you should be the one teaching them ;)
 
The reason I recommended cadjunkie is because his knowledge on various CAD systems...I also like his subscribe model...
 
I also recomend to join  http://news2.mcneel.com/scripts/dnewsweb.exe  McNeel him self and his staff are there and every question gets answered. Very transparent company.
 http://www.rhino3d.tv/
 http://vimeo.com/rhino 
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