uhm, lets see...
Madara got killed because of his pride, he thought he won and deactivated his sharingan- dumbass, still one of my fav chars...
I was hopping to see Uzumaki Mito, but I guess there's still time or something, well we will see about that later!
That big ass statue wasn't a disappointment at all, since it took about 11 Bijuu damas+susano'o sword, and it didn't even fell, and it was capable of breaking the legendary perfect susano'o by punching it 2000 time, literally. Not to mention the fact that it trapped Kurama with his hand...- showing the best power Hashirama's sage mode gives him, justifying clearly why he IS the god of shinobi.
Loved Hashirama's decision of finally protecting the village, putting peace above all else, even his friend that was lost in the darkness...
The best flashback Kishimoto has ever shown us, and it finnally ended. But if he had included Mito on them it would be more cooler, I was really hoping to see her as it would give us some hints to who will be Naruto's wife.
I mean, Hashirama=Naruto ( personality, not power), so it's only logical Hashirama's wife= Naruto's wife (altough we all know it's Hinata), and not to mention Kishi could also have included something regarding the Uzumaki clan, but perhaps minato can do that.
This chapter got me all hyped for what will Minato's question be, if there is one, after all he was called the saviour, perhaps he can change Sasuke's heart, a little bit at least, enough for him to help in the war...
So, it clearly deserves a 5/5, too bad the scale's maximum is only 5... XD
Ah, regarding on how did Madara survive, I believe Hashirama's wood clone is the key, perhaps Madara got the senju cells from it...