Here we can post ideas for new maps
Personally I want more Coop maps, like one scout with plane, and one use sniper/Tanya.
I also want more modders to have a look at gabesz-maps, and get some ideas from him. Its crazy advanced.
But there are many more good ideas, and some bad.
Here you can have a look at some:
https://github.com/OpenRA/OpenRA/wiki/M ... ding-Ideas