For me, I would like to see a set up like this:
Original EQ = 3 months
Kunark = at least 6 months
Velious = at least 6 months
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you are why it will never work. you would have a flood of people at launch, and as soon as they launched kunark, the server would die.
and ill tell you why.
as soon as the powergamers leave the old world, the grouping comes to a screeching halt. the powergamers will contune to advance, all 200 of them, while the masses who barely got into their mid 30s or mid 40s after 3 months find themselves sitting in some corner begging for groups that dont happen anymore, or sitting in some lonely spot grinding levels for the sake of levels. they will soon figure out, they wont be completing quests anymore, and they will be able to buy much better gear on any other servver for cheap and they will leave.
what you will end up with is a mass exodus as soon as the new expansion launches of the casual players, and a tiny tiny little group of powergamers blowing through the content in a few weeks screaming for faster releases and eventually leaving too.
what will work?
the origonal expansion on a single server, all by itself. no kunark, no velious. just the origonal game.
the powergamers will not like it. but the masses will. no uber gear. no standing in line for DKP points. faction will mean something again. and everyone concentraited in a small enough area to ensure help when you need it for a quest.
kunark marked the point where casual gamaers should have left for another game, only there wasnt one to go to. monsters gained significantly more streangth than players did, and you HAD TO HAVE the gear to compete in that enviroment.
ANYONE could be a superstar with the origonal game. you just had to play your class well. kunark and beyond was all about the gear. you had it or you sucked. and you sucked more and mroe with each following expansion.
thats why most of us left.
launch a server with JUST the origonal game, and i giarentee you, it will be the most polulated server in the game. thats how many more of us casual gamers there are than the powergamers.