The new Nikon D3100 is available in Hong Kong. I have obtain the latest street price from Echo Photo & Audio. The body is selling for HK$3,400 and the kit version is selling for HK$4,400.
I have on information about the availability of Nikon D7000 yet, but I will post it as soon as I have info.
For advise on where to buy in Hong Kong (and information and contact info for Echo Photo & Audio), please visit my article on “Recommended Camera Shops in Hong Kong“. For information on latest street price, please visit my page on “Camera and Lens Street Price in Hong Kong“.