Hmm, we may give this a go, Raith and Ol' Horsehair are only about every other weekend now that school and all its activities are about to commence, so if we do join in we may not start til the middle of the month, or maybe Lemur and Bumblemouse will Sketchup some blocks and tubes for subdivide and smoothing into caves and such, and the three of us will see what shapes up.
We had been experimenting with caves and tunnels a bit ago, after our foray into Wind Cave, so they have the gist of it. We'll see, or maybe a mix of Leveller and the new Terragen Technolgy preview release,,,,,lots of options.

SeerBlue