Post Production Move
It looks like film production is still set to be filmed in Mexico (the story does not take place there) but, thankfully, the post production (read: animation and special effects) has been moved to Vancouver. This film may be exciting, indeed.
I have seen the endless and rather embarrassing debates at IMDB in regards to choosing a white actor for Goku. Personally, I don't find the fact as either a big deal or all that surprising for a project hoping to gather a large audience. Besides, it is a common misconception due to continuous errors in official English dubs to state that Goku and the Z fighters live in Japan or that the series even takes place on Earth.