I agree this suggestion is fantastic - a column to create a calculation between 2 columns, or even make it a color if the calculation is in between exact values. EX If qty in column X is below qty in column Y - then show the line in color red.
OMG Yes! The ability to block new orders, but process the existing ones should be a given and we've had to customize this for ages. Invoice and delivery on hold / Confirmation, delivery and invoicing hold should have the option Order for both Customers and Vendors.
