Apologies, Eddie - try
http://www.realtimearts.net/rt75/ - that will get you to the index then select ford_hidden.html
And this isn't an interview with the director, rather a discussion of the cultural, thematic and technical aspects of the film. Thought you might be interested. But yes, my two cents worth: loved the ending...sat there going 'What the F*ck?!', turned to my friend, who expressed much the same. One reviewer called it a Rorschach montage - which I think is the best way to describe it.
Phillip - indeed, let's leave the horse rest in peace. Battle in Heaven? Nope...do tell!