I've heard that the number of spawns has been significantly increased since OB, but keep in mind that you're getting a huge influx of beginners, so naturally the beginning zones are going to be choked with people.
I remember the days of XI where people were partying at level 3 just so they could kill stuff.
None of this "waah where are all the mobs" malarkey, we just teamed up and whacked some Goblins around :D
Likibiki ~ 75 WHM ~ 75 SAM ~ 75 THF ~ 75 SMN ~ 74 NIN Pandemonium Server, FFXI. Retired. Gone but not forgotten.
Cailey ~ 90 DNC ~ 90 RDM ~ 90 BLM Asura Server, FFXI. Adventurer Extraordinaire.