I find them both useful in different ways.
B screen is for getting a full overview of what's going on...Am I losing ground on any commodity, where and what am I buying.
F4 is more detailed, allowing you to change consumer demand, showing exactly what is demanding what.
I use them both, together with a spreadsheet I created that kind of combines the two.
Between the three of them, I have a pretty good idea of how my economy is doing.
But, yes, it would be nice to have it all in one screen with maybe more graphs and tools.
Still, we have to work with what we've got.
Hopefully, down the road, the Phil's can work out a better system, although this one works and I would not say it is a high priority.