Is there a way to click and drag the file to position it, instead of doing the X and Y coordinates ? You can assign an keyboard key to the Selected clip's transform position X and set the shortcut mode to Mouse, horizontal. Set the range so you'll have finer control. Repeat for Position Y, setting ...
What i saw and can work at some situations as well:
Open all the old Monitors and just keep the Glas and part of the housing.
Now setup a projector behind it and use alle the Screens als rearprojection screen.