I am happy to announce that this weekend we will be starting up the servers for our main worlds. I can't say exactly when because I will have to try and make sure that the /warps and /homes etc still work, but I will probably get the Survival world done on Saturday and then look at the Creative world on Sunday.
These servers will have Bukkit and its mods, so you will just have the commands that we have been testing on the test worlds. I don't imagine that the test worlds will be destroyed in the near future, but may be used later for further testing and/or modification. However, once we return to the main worlds, the test world will be inaccessible.
Even with Bukkit, we will still have days or weeks when Bukkit and its mods are not up-to-date with any future versions of Minecraft. When those moments come, we will work out what to do (e.g. test worlds with no whitelist).
So don't be surprised if you can't access the Survival server today. I probably means that I am working on the return to the main Survival world
ps. I will announce on this thread when I have finished the switch for each world