Check the site http://www.naturalmotion.com/endorphin.htm
Any animator will consider this!:yes:
Most of the blender exporters-importers are buggy and unfinished and unusable… so I think the first is to fix these things (for example, collada, fbx).
But we can dreaming Great Dreams of course…
lol that was a truly but cruel answer!
c3d and bvh imports work well, so if you can get it to export in either of those formats, you have a very high probability of success.
Hmm…
So wee will dream…
oh, downloaded the learning edition of that a while ago, really fun to play with