Want to know the current US and Korean server stats? Below is taken from a post by Kat yesterday that shows the class statistics. Pretty interesting...

Normal Server	Normal Server
US/Canadian Beta	Korean Beta
Warrior: 21%	Warrior: 26%
Rogue: 14%	Rogue: 18%
Mage: 14%	Mage: 13%
Warlock: 13%	Warlock: 13%
Paladin: 12%	Paladin: 11%
Druid: 10%	Priest: 8%
Priest: 10%	Druid: 7%
Shaman: 7%	Shaman: 4%