I would dearly love a map generator that creates the standard land masses, but offers sliders for frequency of terrains and features. It would also be nice to have a slider for each resource group.

It would be nice to be able to enter world-builder for hotseat games, and Direct IP games as well. I like playing hotseat with my girlfriend, but find it irritating to have to respawn map after map looking for a suitable leisure game.

I'm assuming that ctrl-W was disabled on multiplayer to stop cheating, but hotseat maps are better suited for cooperation, not competition. At the very least 'cheating' should be allowed to be toggled 'on' at game creation.

Surely you could have a setting that only allows you to enter the World Builder on multi-player if all players agree to it? So, on hotseat, at the end of your turn you enter the world builder. Next player steps in, reads the little pop-up message and also enters the world builder. It's a bit like pause in some multiplayer games in that it only works if everyone presses it.