Jim, using Messiah does mean he has to rig over. ;)
Looking at how-badly unified the Wavefront format is, you might even need to re-UV coordinates. Much better off making a seperate character in LW and port to Messiah with minimal problems.

p/s: Vicky 4 has great joint area handling, but it screws up morph data support. So it's Poser's fault still. :D

In This Twilight- My FIRST public poser work in 2 years!
Also the reason why I endorse postwork (:D)