Along the route to MediaPro Studios, packs of feral dogs wander unpaved streets, children as young as 7 beg for handouts, and some government buildings still bear the bullet scars of the 1989 revolution. But for a growing cadre of Hollywood producers, the drive is becoming as familiar as a trip to the Universal Studios back lot. Romania is proving such a great value that Canada, once the top money-saving film destination, is feeling the squeeze. John Horn reports.