Hm.  There have been some whispers going around that someone is making a Poser to Blender plugin, which would allow you to use Poser figures natively inside Blender, and manipulate them as you would in Poser.  We were just discussing this, over in the 3d modelling forum.  Personally, I think it wouldn't do much to Poser or DS, because the people using those apps love them for their beginner level UI, and ease of use.  Blender would be little more than another rendering solution to them, and now that DS has Iray integrated for free, I don't think those users would care much.  Poser needs to make a move to integrate a modern, simple to use, and powerful 3rd party render engine, like DS has done.  Then their users would have no reason to leave the application for rendering.

Poser has always depended primarily on third party apps and figures, so I don't look for them to do anything about adding something like Iray or Cycles for at least another version after the next out. I think they've still thinking that Reality and Luxrender should fill the bill for most users. I can't really blame them though. They don't want to look like they're following the lead of Studio. Plus, Studio has a distinct advantage since it's free and always in perpetual beta.