The ability to 'lock' custom forms & ability to delete standard forms from selection list (as you can for customized forms). Logical selection or selectable defaults. ie Printed Form, Invoice Deliver...
Great idea! I vote for this, however I also think the whole 'custom forms' feature needs an overhaul. See my post here: http://community.myob.com/t5/AccountRight-Idea-Exchange/Better-Custom-Forms/idi-p/421918