Your Halo 4 suggestions

They should let you swim (that'd be fun)
Color of Walls (because gray is so boring)
More Structure pieces (to build more stuff)

also when UnseenBubby 117 posted

I'm pretty sure the budget will increase to 1 mil.

Look here:
http://halo.wikia.com/wiki/Forge

 

^But they also could have increased the price for each object.
We had already said this on Page 1.

 

amen. preach it brother