also D3 plays DivX video and mp3, which is 1 down side of Z1.

 

 

Does anyone know for detail of the map wise, how big difference is it on both system? Also i've looked at the 6 disc/12 disc cd changer, wonder why they don't put a DVD changer version so i can put in 2 Navi disc in there =/

Pioneer makes the XDV-P90, which is a 6 Disc DVD player. If this could hold the NAV disc(s) for the D3 and other data DVD's AND access them all when needed, that would be awesome!

It cannot hold the Nav discs.

But, the XDV-P6 is a single din dvd changer (with a hideaway brain), so you can put that in the dash if you have the space, so loading the changer won't be difficult.