I'm pretty sure server switching is free at launch, as they added quite a few servers since the last BWE.
Yes, Switching Servers is Free for the first
week (i think) - that would be one transfer, as you can only change once per week.
I do however not see how that is related to the adding of more servers.
You know - at the start of the 3 day headstart phase it will be tabula raza - everything will be gone. All alliances guilds and characters. You will get to choose your home server for the first time at that point, create a character, play through the tutorial again and eventually join a guild. As soon as it's formed.
EDIT: Actually found a reliable source - correction is striked through. - transfers untill population has settled. SOURCE