Guild Wars 2

I almost have enough gold to transfer to FC, but I want to know:

How is FC better than let’s say… YB (my current server)?

I kinda also want to have a guild first before I join, so I have a group to WvW with almost immediately.

IGN: Jíntae
Play: PvX
Server: Yak’s Bend
Role: Scholar
Time: EST

By this, I mean which profession levels the quickest and the most efficiently?

IGN: Abundance of Memes
Playstyle: PvE
Server: Yak’s Bend
Role: Scholar
Time Zone: EST

IGN: Profuses
Playstyle: PvE
Server: Yak’s Bend
Experience with thief: Completely new.