Yikes, I have quite a long list....
-Domination shouldn't be capital sniping.
-Diplomacy that matters, not the psychotic insanity we have now. I don't really bother anymore, I just take their gold then Kill'em All.
-Fixing all the UI mistakes/issues (how many times have I pillaged something accidentally while quickly give wait orders to tons of units all over the place just to end the turn?).
-Remember what my last settings were, don't make me have to set it up every time, or at least give us a Regenerate Map function. And while we are at it, why aren't all the options given to us at the main screen? I understand the 'no cluttering up the not so attractive main screen', but when I click maps, at least give me a list of all map types, not like just 5 or whatever they give us now? Console design mentality drives me bonkers.
-END TURN. I don't want to give orders to every F'n unit, and every city. JUST END THE EFFIN TURN!!!! Please, I beg you.
-All those little icons I get every turn on the right side of my screen, when I click on them, they better do something, especially for the Trade icons! I.E. reopen trade with that Civ and set up the trade as it was. Don't make me redo the whole thing every effin time.
-The way cultural borders worked in Civ IV was much better. This static version we have now is lame.
-Removal of RA's
-Map script updates. Removal of land-lock continents to ice at the poles, giving a CS the world wonder, better scripting of resources to promote strategy IE Terra maps etc..
-Removal of CS's? Unless they are going to turn it in to something, but they are completely pointless at this point.
-Total reworking of trade posts. Could it be more ugly? What are they supposed to be anyway? Strip-malls and urban blight? Everything about them is half-baked. Cottages were so much better.
-Global Warming.
-Random Events, good and bad.
-Nukes that can reach anywhere.
**A way to 'pin' the map. This is a big one for me, let me explain. I mostly play domination games and fallback to science if it gets too tedious. So, I have multiple fronts usually, and a CS ally or two somewhere in the world.
So when I end the turn, the screen starts shooting all over the place (a CS saw a boat!). So with all the quick movement, my system strains to keep up (large maps and late era standard) so invariably, the battle lines I really needed to see, I don't see because the view is swinging all over the place. All I get is an icon that I lost a unit, click on that and it shows me where it WAS, but not what happened. Extremely frustrating. Did a strong melee do it? Is there a horse doing hit and run? Is there artillery I can't see? Were they bombed first? Who knows. Now multiply that by 3 different battle lines spread throughout the world.
I want to place a pin on the map, and the AI swinging the view around will be limited to 1/2 a screen length of that pin, or no movement at all, I'll take either.