I have a customer where 90% or their orders the ability to automatically commit inventory works perfectly.  Unfortunately, 10% or their orders are huge orders (50-75 line items) that are way out in the future.  I know they can change the setting to "Do not Commit" on every line but when the time comes and they want to commit the inventory, they need to go and flip that field to "Available Quantity" for every line.  I was hoping that there was a much better way to do that using a mass update but it looks to me like Mass Update