I made an office.
Yeah, thats it. But I need your help! See the bottom images.
Pics:
Outside:

Notice I used a strict pattern to keep walls from overlapping the windows.
Lobby:

Admin Office 1

Admin Office 2

Office Area 1

Office Area 2

This is where I need your help. See this empty space? Should I make it one big room with lots of desks and computers, with a balcony? (Like the one you see in war-games I guess.)
Or should I turn it into two stories?

I put much effort into this! Please rate 1-10/10.