Well even if we assume that the Roman factions are the only factions that are balanced to play so what? In Shogun you only had one culture to play with and enemies where of the same culture.
Lots of people have complained about how MTW didnt have the same detail/feel as STW had. RTW looks like it will have the same feel as STW but now comes with a lot of other factions to fight on a much bigger map than STW.
If I disliked Japanese culture and wanted to play the Portuguese I would have been out of luck by buying STW. But from what I see in some posts, some people hate the Romans and want to kill them (but Im sure some of the other factions will be strong enough to do that) in a game called Rome: Total War.
We just cant expect the same level of detail for all factions compared to how the Romans will be.
In STW Multiplayer lots of players and clans took Japanese names and some became interested in the culture and language but I guess Latin isnt in these days..
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