@DH
Please Tell BG why you only play on Noble. As do I.
JosEPh
I know both that you do and why you play on Noble. Didn't know DH did though. But it was perilousride I was responding to.
Oh, and almost forgot to say that the game needs testing on all game difficulties to see how the balance is and what might or might not need changing. The team is more along the lines of making the AI better though rather than making the higher difficulties more difficult via extra bonuses for the AI.
That,
gdambrauskas, is also why Deity isn't that difficult too. Try setting yourself up with some challenges instead, like removing all options that make it more difficult for the AI, setting restrictions on yourself, following a certain path with a certain nation (I'm doing Romans with Slavery and avoiding all +

Wonders while trying for the military ones right now), and so on and on.
@perilousride:
That is interesting. I see and understand growth being a factor in development but I also do not see only the many city civs building all the wonders in my games. I'm wondering if Noble vs. Deity makes that difference, or if it is also due to game speeds. What game speed do you play on usually?
In my current game, and not counting myself, there's one civ with 8 cities and 6 Wonders that aren't Culture Wonders and another with 26 cities and 10 Wonders that aren't Culture Wonders.
The Civs in between that in number of cities/Wonders goes as:
25/1, 24/4, 17/0, 16/0, 14/0, 13/1, 12/1, 12/0, and 9/1.
Mostly though I think you are right as development usually gives more

and thus getting to start building the Wonders earlier.
Just interesting to see that all games are not all alike.
Cheers