Questions:
1) What limitations come with free to play?
None whatsoever that are not enforced on everyone else.
2) There are only two servers? Which one is good for US East?
Chronos. More servers to come.
3) Why did it go free to play?
Because most of the players weren't willing to pay to play, at least not in the current game climate of might makes right.
4) What are the top 5 pvp classes, best to worst?
All depends on play style and type of pvp you mean.
5) What class do you recommend in general and why?
For beginners, a orc fighter type is the easiest.
6) Any advice? ect?
Get used to dying, this is a PvP game..
7) How long does it take to get top level?
1 year if you play a lot. Less during events.