Il y a constamment de nouveaux sc narios, inscrivez vous sur la Liste de Diffusion. More than 700 scenarios available for download. There are always new scenarios, so suscribe to the Mailing List. Sid Meier's last baby is not yet born but it's already getting talked about it. It will not be released until next year but Firaxis launched already the official Civ3 site.
Some pictures are already available.
It's better than the first one, but it's still not enough. On the other hand, if you haven't the first one, you could acquire it.