I'm a P5 user (sometimes) and I don't feel "punished" by DAZ...all my DAZ stuff works fine in P5.

No, it doesn't. You only think it does. ;-)

Seriously, the MAT files never work correctly. Check out this link:

http://www.enmeshed.com/shadermagic/archives/000219.html

If you've only used the MAT files that come with DAZ figures, you're missing out, big-time.