Add 'Hold/Unhold' button at top of Edit Order screen

I believe putting orders 'On Hold' must be one of the most popular status changes to an order. It is however quite a long-winded process to put an order On or Off hold from the Edit order screen (having to check a box, click on drop-down, select a choice and then save). Could this button be added alongside the Cancel Order Button (and keep the existing behaviour of Hold, such as removing from Pickwave etc.)?