Well, if you do look at their partners, you can see much more professional solutions to animatory output than a nice and easy scene builder bumped up to work with 'Pro' apps and farm output.
..MB hasn't been around long, but it is solidly placed here in the film industry because it not only has what pros need, it works without oversights in coding that hinder some other apps ;)
When even freeware Wings3D offers an fbx export plugin, I can't/won't comment on why e-on fails to do so with an app they insinuate is professional.

One workabout is to covert MB to Poser motionfiles and export from Poseur into Vue - don't have the link to a tute, but it can be found