Which one do I get

I have 2 sceptres and 16 Swords, my bock has been upgraded once and I am wondering when I get 8 sceptres if I should get God Rundstedt or God Bock, also what F2P infantry general should I get?

I have 2 sceptres and 16 Swords, my bock has been upgraded once and I am wondering when I get 8 sceptres if I should get God Rundstedt or God Bock, also what F2P infantry general should I get?