It would sell but the problem would be what version of Linux should they program Poser to work with?

There is very little compatablity between the differnet versions of Linux.  So there would have to be multiple versions. Far to expensive for the amount of profit they could get out of it.  

Or they would have to pick just one or two versions to make Poser compatible with. Then all of the other versions of Linux users would be upset about being left out.

At this point, I think that Linux is to volital.  It still needs to mature a bit more. 

Poser Pro 2010