Some of the students asked me about getting files from other apps into cinema, while cinema supports imports of lightwave (lwo), obj, and others FBX seems to be by far the best way to get files in from other systems (i.e Max/Blender)
That being said i found a free utility at this URL, It will convert DXF, 3DS, and Collada files into FBX (Really no need for the collada part of it as Cinema hands collada well)
I love this piece from MK12 -- however, just a warning that it does get pretty sick and disturbing in parts towards the end. But it's a great blend of 2D, 3D, and stop motion animation: http://vimeo.com/25474499