There isn't really a "better server" yet. None of the servers are officially online. To that end we're pretty much all even, server-wise. I don't even think they kept record of the server stats publicly during the beta.
EDIT: True enough in regard to the ZAM shell. +1
Edited, Aug 20th 2013 1:32pm by darexius2010
Current: FFXIV | EVE Online (again)
Former: FFXI | The Matrix Online (FOREVER!!!) | STO | SW:TOR | EQ2 | WoW | Florensia | RF Online
FFXI :: Valefor :: Dareknight, Darexius
FFXIV :: Valefor :: Dare Knight
EVE Online :: Dare Knight, Hazel Knight, Rex Knight