Now that we have 9 signups, I would like to propose we consider getting this game underway fairly soon (i.e. within the next few days). Since there will likely be a continual trickle of new people who are interested in playing, I propose that we go with the option mentioned earlier, where each of the 9 people playing get to pick (and play) 2 civs. This works in two different ways: it allows us to try out what double civs would play like in an all-human environment (whether it goes ahead or not with the main game), and it allows free slots for new players to enter if they so desire. In the latter case, if someone signs up to the game after it's started, one of the players could volunteer to team up with them, and hand over the control of one of their civs to the new player.
All in all it sounds like a pretty good plan to me. Are there any strong objections to the idea of the initial 9 people picking and playing 2 civs each, though? If you'd personally rather play 1 civ than 2 each turn, then you can always volunteer to put your name at the top of the list for having a new player team up and take over one of the civs. At the present rate it's likely that there will be a few new signups before the game starts, or very early into the game.
If people are okay with this, then I suggest we start deciding on our preferences for our 2 civs/leaders. Post them in the thread here once you've got yours decided.
I'll have a think about my potential 2 leaders in the meantime.