Sony Japan have listed the Sony NEX-3 as discontinued.
According to a report by the photography website Foto Actualidad
, the low demand for the model in Japan could be the reason why they've took the model off the shelf.
You can read ePHOTOzine's review of the NEX-3 here: Sony NEX-3 review
ePHOTOzine's contacted both Sony UK and Europe who have both confirmed that Japan have discontinued the model.
In response Sony Japan said:" Regarding our Sony products, the production sale is based on our production schedule entirely. And production of NEX-3 was ended according to this plan."