I will play on the NA server.
I support a splitting of the maps. It's a numbers issue, if EU and NA had similar populations I'd be fine with keeping it together, but as it is EU side has more land, which means they have better trade routes (although we'll see how that plays out next strat) which means they have more resources, which means NA side gets overpowered.
Not to mention no one enjoys high ping & early AM battles ever.