Me and a few chums (including MisterE) have a little server that's been going since November 2010. There's loads on it now but the core of it looks like this:

Some might recognise Cloudship Atlantis:

I am currently working on building a village right in the middle of the map. My ultimate goal is to light and build on everything inside the Ring wall. Our builds are a mix of crafted only and extreme use of the /give command. The wall is about 1/8th crafted, everything but the balloons on Cloudship Atlantis is crafted. We only use editor programs to remove the huge linear errors generated by changes in the world generation algorithm.
Your turn! What ya buildin'?