You know, there are many interesting, Z related pages into the web. Some are linked directly here:

 

One of our demo - layouts at YouTube

Spur Z Ladegut Küpper 

Z-lights

HOS - Modellbahntechnik

Trainini 

Spiris Modellbahn-Welt

Rolfs Lädchen 

The world of Gerhardingen

Z - Friends - International 

Z - Stammtisch - Rhein - Ruhr