Setting up Opensim on a USB key is a great experience. Looking out with your avatar on a vast expanse of 4 regions is like peering at a huge blank canvas waiting for your imagination.
A Tabula Rasa in the palm of your hand.
But if you feel daunted by the need to terraform many acres of land, remember that you can easily upload terrain files.
I recently found a wonderful 4-sim megaregion terrain that is freely available and looks fantastic. You can find a copy here. I’ll also explain how to quickly set it up.
Be Cunning and Full of Tricks 