Look hard at the last generation of Graphic press cameras, the Super and Super Speed Graphics in 4x5. They have generous movements available, Graflock backs for easy back exchange, are pretty light weight compared to many earlier press cameras, are built of metal which makes them tough as a Sherman Tank, and have convenient rotating backs. Equip the camera with a wide-field 135mm lens such as the aforementioned Wide-field Ektar, and you're set to go.