What's Your Ideal Forge Canvas?

Forge World was nice. It provided space to create maps on a large scale world. It was definitely nice but it also had its own limitations, barriers, and frame drops from time to time. Halo 4 is soon to be released and what I want to ask is “What kind of forging canvas map would you like to see?”

Do you want a large map like Forge World again, or do you want smaller variable maps with more features available. For example you could have a medium sized map canvas that allows a variety of features that a large scale map can’t due to memory constraints.

How big do you want the canvas?
How high do you want the ceiling to go?
What size?
Do you want specific features?

EDIT- Some of you have specified changing the terrain and being able to load a specific theme. What if the canvas was white until you loaded a texture theme? For example we could have an open world grassy theme, covenant, desert, snow, etc. Would you guys go for that?

I would like to see a very large space similar to forge world, only with more varied spaces for me to build. It would also be cool if i could change the enviroment say removing a mountain or making an island but have it in a way so it’s not to complicated.

I’d love a few smaller, Forge-World like maps with different biomes. That way we can have desert, snow, forest and perhaps mountainous terrains, instead of just a large chasm and a few islands.

If I could change the environment or the terrain, I’d be happy.

But my ideal canvas would probably be a modified Forge World. If there was an option to remove the water, I’d be over the moon. There’s a lot of space underneath the water.

I would love a level the size of hemorrhage inside a covenant super-cruiser