Yeah really. After the this recent chapter, I was wondering why Madara didn't enshroud the Juubi with his Susano'o like he did with Kyuubi. Maybe it's because the Juubi's just way too big to wear Susano'o armor but if not, he should armor up the beast.
That would be pretty cool, but from the difficulties Obito and madara seemed to have controlling it i'm not sure it''s possible. However It would most likely require all the past Kages fighting it ....wait...That would be awesome!!!