Wasn't the Shade clan into using Total War games for historical reenactments? If you are hoping for that, forget about it.
Oi! At least have the decency to wait for the release of the 4th Kawanakajima battle between Uesugi Kenshin and Takeda Shingen made by the Sengoku Jidai team. Please trust me when I say that CA did not utilize the full potential of their current engine.

There is too much complaining going on about jumping horses, hypercharged skirmishers or unbalances in stats. Problems that can easily be fixed with a mod.
If the MP community has any balls it should dare to venture from the original R:TW and start supporting mods.