How about attics/usable space under the roof ?

I wish we had the ability to treat the sides of the roof as inclined walls to give our attics a more realistic feel and make those bedrooms with one inclined wall because they're under a piece of roof. Vaulted ceilings would also be nice...and being able to paint the ceiling some color other than that same bland, sterile white which ruins every build that isn't a modern one in walls-up mode!! DX<