Recently we've got a server set up for the Official Minecraft Steam Group. Currently it has 32 slots(temporarily decreased from 64 while we address some issues) and is running on a developmental build of Bukkit. Due to that, not all of the plugins we'd like to use are functioning quite yet, but things will be smoothed out soon enough.
Rules are as follows:
1. No griefing in the sense of destruction, building with intent to annoy, and/or land destruction.
2. No use of any hacks.
3. Show respect to all staff members and players, even if agitated.
4. No large buildings within city without permission.
5. Violation of any of these rules will result in a punishment or ban dependent upon severity. If you see it unjust contact an administrator.
The server's IP can be found in the Steam group.
We also have a TS3 server set up at 220.127.116.11:9987