there are a few awd z's that i've read about.
one is very old built by jun for some rich guy somewhere in asia. Used a r32 (i think r32 because the older version of altessa was easier to work with) gtr transmission setup.
Function tuned does have a car that should have turned awd eventually... just youtube fwd 350z and function tuned should show up...
I have a magazine with a full article about the car I could find if you guys want... but here's a vid:
http://www.youtube.com/watch?v=z4dBE...eature=related