First, Is the released game going to require 4 players to start because of stat capturing? If so, I think this is a bad idea as players don’t want to hang around to start servers. A better idea is to let players advance the map but not capture stats until a minimum number of players has been reached.
On a side note, currently North America has trouble getting full games going (from what I’ve seen). Sometimes we have trouble getting 2 players on. Could one server be set to start with 1 player so we can mess around with the map? This would help in testing. If you are concerned about other things such as capturing stats with a 4 player minimum, you could always set the server max players limit to 2 or 3 so that when 4 players are on we move to one of the other servers.