Ah, I think we left Crono behind - we've been discussing this so long we've started skipping steps in the debate. Sorry, okay, recap:

: Official Graal 2D Server?

: Sweet!

: Wait, we need Stefan to make it "official".

: Well, I'm sure he's got time for one more!

: Naw, he's too busy on Kingdoms and 3D and the engine and mac tools and linux tools and scripted-RC and the logon server and flash games and the gralat system and synching things up with whatever updates to the website and the wiki and...

: Yeah yeah, we get it. Okay, why not have a player build the Official Server and then Stefan just waves the Magical Official Wand?

: My server should be the official one!

: No mine, mine's a million times cooler!

: Mine ftw!

: You see the problem.
So we've already concluded that if there will ever be an Official Graal 2D Server, it'll either be one that exists or doesn't exist, and either way it'll be player-built and Stefan-supported.
What should it be? Which should it be?
My money - the Newbie Server and/or the Hubworld. The Newbie Server would be at heart what Classic used to be - if you're a newbie, by default you start on The Newbie Server. Maybe you don't even see the server list. Simple, basic, straightforward, strong Zelda theme while studiously avoiding copyrights, heavy on the Tutorial Mission.
Hubworld would be what Graalympus was, but with warpgates. If you log on from Classic, you walk out of the Classic warpgate looking like your character does on Classic. If you run from there into the Kingdoms warpgate, you get transformed into what your character looks like on Kingdoms. If we ever get any Global Data Communication technology to allow it, it could also be the heart of a Global Quest - you beat everything on Classic and get a knicknack, which mixes with the knicknack from beating everything on UN to unlock a gate on Hubworld, when an ancient evil runs past, empties the vault, and books it onto Zone...where a quest suddenly activates to hunt him down, but he escapes to Maloria...etc. But that last part's my own pipe-dream: The Important Thing About Global Quests Is That it's up to each server whether or not they choose to honor the global strings from other servers. If Kingdoms doesn't want to participate, sure they can find out Billy beat everything on Classic, but they don't have to give him anything for it.