i would like to have it set in the age of pre WW 1 and ending in our present age 20 century. Simple because there is no RTS (besides EE wich had some) wich is covering this age.
It would simple be amazing to have control over land sea and air. As resources i would suggest food , iron , coal ,oil (for fuel) further you can get money (or gold) by building markets (maybe stockmarket to finance your army).
I would suggest the go away from random generated maps and try to put real live maps in. There is enough history for each civ on the world to back up.
For online play i would like to see a huge world map where 5-12 players trying to win the world war. For 1-1 play they could be maps from different scenarios , like the war in africa or sea battles or specifically in europe.
Anyways just a thought , i liked to play Panzer General but this was turnbased ,there are basically so many things in this era that they would never run out of ideas .
There could be also a mode called Gurilla Warfare , where you have a certain amount of units an you cant rebuild your army , you can purchase certain kind of units for a certain amount of money at the beginning of the game and that's it. The player with the better micro or better unit choices win.
I havn't thought about what kind of unit's or civs , but it's a start.
What do you guy's think.
-------------Positive--------------------