If being laughed at by the CG world is a big deal for ya, you shouldn't be using poser in the first place, cause that ship has sailed. For the rest of us this is an example of a good solid feature that will help day to day work much more then any flashy new thing they could have added.

Plus if it makes you feel any better, you can always go to the Lightwave forum and laugh at them since until recently they would have killed to have multiple undos.