far as I know the the 6000 w never made it here and I don't know if it is still made. but u can try
http://chaseandcompany.net/store/ind...index&cPath=38

or www.pricejapan.com. Note you will get a japanese menu. You can get converted and warantied newer Zs (no wireless) from dynamism.com.
I know the 6000w exists on paper but I have never heard of anyone owning one.
G