Not sure how many rollas are in them but heres some pix ive taken so you can have a look and see what its like over here, most of them are rotors tho ;)
Heres some pix from "Mission Bay" in Auckland on a sunny Sunday, its always packed with out anything being organized, everyone just turns up and has a yarn. :D
It might take awhile to look through them, ha ha
http://www.jascoautomotive.com/missionbay%...39;n%202004.htm
And heres a couple of organized night cruz's around Auckland.
http://www.jascoautomotive.com/RotaHavik%20Cruz.htm
And a organized day cruz
http://www.jascoautomotive.com/RotaHavik%20Day%20Cruz.htm
One of our "Skid Fests" over here
http://www.jascoautomotive.com/Skidfest.htm